Smart Watch S11 is a wrist-worn device with a touch display, Bluetooth calling, notifications, a pedometer, and wireless magnetic charging. These instructions in question-and-answer form provide key information about connection, charging, device capabilities, and limitations concerning moisture exposure.



Smart Watch S11: smartphone pairing, Bluetooth calls, notifications, and charging guide

Frequently Asked Questions about Smart Watch S11

Smart Watch S11 Technical Specifications

Colour: black
Model: Smart Watch S11
Warranty period: 1 year
Screen type: AMOLED
Screen diagonal: 1.9 inches
Screen resolution: 485x520
Power supply: rechargeable battery
Battery capacity: 400 mA*h
Charging time: 120 min
Wireless interfaces: Bluetooth, NFC
Connector: USB Type-A
Sensors: GPS, accelerometer, blood pressure sensor, motion sensor, breathing, pulse oximeter
Functions: speakerphone, microphone, speaker, pedometer, phone finder, stopwatch, alarm, voice recorder, calculator, timer
Compatible operating systems: Android, iOS
App: Wear Fit Pro
Smartphone compatibility: Android and iOS version 5.0 and above
Watch face: analogue+digital
Watch face length: 4.6 cm
Watch face width: 4 cm
Housing material: aluminium and glass
Glass type: mineral
PC connection: none
GPS: yes
Water resistance rating: IP67
Strap material: nylon, silicone
Strap length: 22 cm
Housing thickness: 9.5 mm
Country of manufacture: China
Package contents: smartwatch, silicone strap, nylon strap
Package length: 25 cm
Package height: 4 cm
Package width: 9 cm
Recommended power adapter: no more than 1.5 A

Input Q blocks: 176 Output FAQ blocks: 91 Combined: 85

Technical Parameters and Intended Use

What is Smart Watch S11?

Smart Watch S11 is a smartwatch with its own operating system, smartphone connection through Bluetooth wireless communication, and the Wearfit Pro app. The model is intended for displaying time, notifications, and calls, monitoring activity, basic sports functions, and everyday use.

What main functions does Smart Watch S11 provide?

Smart Watch S11 supports core smartwatch functions: step counting, sleep tracking, notifications, call and message display, Bluetooth voice calls, music control, alarms, reminders, sports modes, and built-in mini-games. The interface operates quickly without noticeable freezing, and the menu is clear.

Is this an Android watch or an original Apple Watch?

It is not an Android watch, Wear OS device, or original Apple Watch. The device runs its own system and connects through Wearfit Pro and Bluetooth connectivity. Google Play, App Store, and watchOS are not used.

The model differs from an original Apple Watch in its system, interface, app, feature set, materials, and implementation of individual capabilities. Its appearance resembles Apple Watch, but it is an independent model.

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What are the watch case and screen sizes?

The watch case size is 46 mm. Screen diagonals are specified as 1.9 inches for the gold version and 1.96 inches in other model descriptions. The screen is bright, with smooth scrolling and fast touch response. An AMOLED screen with a 100% saturated image is also specified.

Are English language support and instructions in English available?

The watch supports English. Instructions in English are also included. Some interface translation inaccuracies are possible, but the main settings and menus are available in English.

Is Smart Watch S11 intended for women or men?

Smart Watch S11 is unisex. It suits women and men, and the strap adjusts to different wrist circumferences.

Is the watch impact-resistant?

The watch is intended for ordinary everyday use and may withstand minor accidental impacts during wear. Deliberate exposure to strong impacts, falls, and mechanical loads is not recommended.

Is there a SIM slot, and is a SIM card needed?

The watch has no SIM slot and needs no SIM card. Calls, notifications, and synchronisation operate through a connected smartphone over Bluetooth radio. The watch cannot be used as an independent phone without a smartphone.

Is NFC available, and can purchases be paid for with the watch?

NFC is present, but payment through a payment terminal is unsupported. SberPay and Mir Pay cannot be installed. Even with NFC, contactless payment is unavailable in the Russian Federation because of payment service restrictions.

Compatibility and Connection

What is the Smart Watch S11 app called?

The main app for connection and synchronisation is Wearfit Pro. The shortened name Wear Pro may also appear, but Wearfit Pro specifically is recommended for setup.

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How is the watch connected to a phone?

Install Wearfit Pro on the smartphone, enable Bluetooth pairing, open the app, and enter «Device». Then tap «Add Device», select the watch, confirm connection, and grant all required permissions.

After connection, data, notifications, and some settings synchronise automatically. Calls also require an active Bluetooth audio connection to the phone.

Can the watch be connected directly through the phone's Bluetooth settings?

For full operation, connect through Wearfit Pro rather than only through standard phone Bluetooth settings. Connection only through the phone menu may not provide notifications, contacts, data synchronisation, or correct calling operation.

What should be done if the connection QR code does not open?

If the QR code does not open, install Wearfit Pro manually from the phone's app store. Then enable Bluetooth discovery, open the app, tap «Add Device», and select the watch from detected devices.

What should be done if the watch will not connect or the phone cannot see the Bluetooth device?

If the watch will not connect, follow these steps in order:

If the phone cannot see the device at all, restarting the phone and reconnecting through the app often helps.

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How can Wearfit Pro be kept running in the background?

For stable synchronisation, do not close Wearfit Pro completely, allow background operation, and disable its power saving restrictions. Some smartphones also require pinning the app in memory to prevent automatic system termination.

Why do calls, SMS, and notifications stop after the app is closed?

This usually relates to background app restrictions or phone power saving. Check Wearfit Pro permissions, notification access, background operation, and active Bluetooth connection. Restarting the watch and phone after changing settings is preferable.

What should be done if Wearfit Pro login fails or registration freezes?

For login problems, switch between Wi-Fi and mobile internet, restart the phone, update or reinstall Wearfit Pro, and grant all permissions. Disabling VPN and app power saving is also recommended. Wearfit Pro does not require VPN for ordinary operation.

Why does advertising appear in the app, and can it be removed?

Advertising appears within Wearfit Pro and depends on the app developers. It cannot be fully disabled through watch settings. In some cases, advertising decreases after registration and consistent app use.

Is the watch compatible with iPhone?

Yes, it is compatible with iPhone and connects through Wearfit Pro. Compatibility is specified with iPhone 8 Plus, iPhone 12, iPhone 13 Pro, iPhone 16 Pro, iPhone 16 Pro Max, and iPhone 17.

It does not work through the standard iPhone Watch app. Connection through the Apple Watch app is impossible; only Wearfit Pro is used.

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Is Smart Watch S11 compatible with Android smartphones?

Yes, it works with Android smartphones through Wearfit Pro and Bluetooth wireless pairing. Correct operation requires installing the app, enabling Bluetooth on the phone, connecting through the app, and granting permissions.

Which Samsung, Honor, Huawei, Redmi, Realme, OPPO, iQOO, Tecno, and POCO models are compatible?

Smart Watch S11 compatibility is specified with these smartphones and ranges:

At what distance from the phone does the watch work?

The watch usually works reliably up to 10 m from the phone with Bluetooth enabled. A stable range of 10-12 m without obstacles is also specified. Walls, doors, and other physical obstacles may reduce range and make calls and notifications inconsistent.

Can the watch work without a phone?

Without a phone, it can perform basic functions: show time, count steps, run alarms, and record some workouts and activity. Calls, notifications, data and contact synchronisation, phone control, and most additional features require a smartphone connection over Bluetooth wireless link.

What happens if Bluetooth is off, the phone battery is empty, or the phone is far away?

If smartphone Bluetooth is disabled, the phone battery is empty, or it is out of range, notifications and incoming calls will not reach the watch. It continues operating as an ordinary watch with basic functions. After reconnection, linked functions resume automatically.

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Calls, Audio, and Contacts

Can calls be answered and conversations held through the watch?

Yes, the watch supports Bluetooth calling. After smartphone connection, incoming calls can be answered through the built-in microphone and speaker, and outgoing calls can be made. This function requires a phone connection through Bluetooth voice connection.

Can a phone number be dialled from the watch?

Yes, a number can be entered manually or called through added contacts/favourites. Before calling, ensure the watch is connected through Wearfit Pro and Bluetooth phone pairing.

How does call audio perform?

The watch speaker is sufficiently loud, and calls work correctly. The built-in microphone and speaker transmit speech clearly: the other party is easily heard, and the wearer's speech is also heard normally.

How are watch contacts configured?

Contacts do not all load automatically. Open Wearfit Pro, enter «Contacts» or «Favourite Contacts», tap «+», select numbers from the phone book, and tap «Synchronise».

After synchronisation, contacts appear in the watch menu. The possible number of added contacts ranges from 10 to 30 depending on the phone and app version.

Why does a call show only the number without a name?

A name appears if the contact is saved on the phone and synchronised with Wearfit Pro. If only the number appears, add the contact through «Contacts» or «Favourites», synchronise, and restart the watch and phone.

Is the watch suitable when the phone cannot be kept at hand?

Yes, it can provide important notifications and calls when the phone cannot constantly be held. The smartphone must remain nearby within Bluetooth operating range, and Wearfit Pro must continue running in the background.

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Can the watch be used while driving?

Yes, calls can be answered and conversations held without taking out the phone. When driving, observe safety rules and avoid distraction from operating the watch while moving.

Notifications and Messages

Does Smart Watch S11 receive notifications?

Yes, notifications and calls reach the watch with correct connection and permissions. Notifications display without delay if they first reach the phone itself. If a notification does not reach the smartphone, it will not appear on the watch.

How are notifications enabled if they do not reach the watch?

Open Wearfit Pro, enter notifications, and enable the required apps and messengers. In phone settings, grant notification access and background operation, disable power saving, and check that Bluetooth remains active.

For some apps, enabling «Other Apps» is useful. Restart the watch and phone after setup.

Can messages, SMS, and notifications be answered from the watch?

No, they cannot be answered from the watch. It can receive and display app and messenger notifications, but text replies are unsupported.

Can voice messages be sent or played on the watch?

Voice messages cannot be sent from the watch. Messenger voice messages may appear as a notification, text, or icon, but cannot be played on it. Open the message on the phone to listen.

Are Telegram, VK, MAX, and email notifications received?

Telegram and VK notifications may arrive with permissions enabled. Email arrives if phone notifications are enabled. VK may behave inconsistently, with notifications not always received.

MAX notifications may work inconsistently across different phones and watches. This relates to MAX itself and its interaction with smartwatches.

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How are MAX and VK notifications configured on Redmi Note 14?

On Redmi Note 14, enable VK and «Other Apps» in Wearfit Pro, grant notification access, disable power saving for the watch app, allow background operation, and pin Wearfit Pro in phone memory. Xiaomi/Redmi may block notifications. MAX may operate inconsistently and is not fully supported on every phone.

Do MAX notifications work on iPhone, Android, and Samsung?

MAX notifications may arrive on iPhone. On Android, they may fail because of MAX's own characteristics, requiring an update from its developers.

On Samsung Galaxy M12 and Samsung A55, a situation is reported where watch operation is fast, the screen bright, and calls and other functions work, but MAX notifications do not arrive. This does not necessarily indicate a watch fault.

Can MAX be installed on the watch?

No, MAX cannot be installed directly. The watch does not support installing such apps. It can only display MAX notifications from the smartphone through Bluetooth notification transfer if correctly supported by the phone and app.

Multimedia, Apps, and Built-In Functions

Can music be played and playlists controlled from the watch?

Yes, the watch can control smartphone music: change tracks, pause playback, and adjust volume. When Bluetooth call audio is connected, phone sound may sometimes begin playing through the watch.

On iPhone, change the audio destination through Control Centre and the AirPlay icon, selecting iPhone itself. On Android, switching playback to the phone or disabling watch media audio in Bluetooth audio settings is usually sufficient.

Can AirPods or other wireless headphones be connected to the watch?

Connecting headphones to the phone and controlling music from the watch is recommended. In this arrangement, the watch connects through Wearfit Pro and Bluetooth control connection, while sound goes to wireless headphones connected to the phone.

Can music be loaded onto the watch and played without a phone?

Yes, the watch has internal music storage. MP3 is supported: files must have the .mp3 extension. Convert m4a, wav, and other formats to MP3 first, then upload again through the app.

Possible internal storage values are approximately 128 MB and approximately 1 GB. Actual available capacity may be smaller because the system uses some memory.

Are internet, a browser, Yandex, Google, navigation, Google Play, or App Store available?

The watch has no internet access. A browser, Yandex, Google, navigation, or direct «Google searching» cannot be used. Google Play and App Store are also absent because the watch is neither an Android smartphone nor an Apple Watch.

Can apps, DeepSeek, Yandex, or a PDF reader be downloaded?

Third-party app installation is unsupported. DeepSeek, Yandex, and a PDF reader cannot be installed. Only built-in functions and a limited selection of simple apps from an integrated store may be available if supported by the current app version.

Are there games on the watch?

Yes, built-in mini-games are available. Simple games may also be installed through the app or integrated store. These are basic watch games rather than full smartphone-style mobile games.

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Can notes or long text be read on the watch?

No, notes and long text from third-party apps cannot be read. The watch is intended for short notifications and messages received from the smartphone.

Can photos be opened on the watch?

Yes, photos can be opened after synchronisation from the phone. The exact image count limit is unspecified, so upload only needed photos. Zooming images in and out is supported.

Can the smartphone camera be controlled from the watch?

Yes, it can act as a camera remote through the app. Camera control without the app is unsupported.

A function also displays the phone camera image on the watch, allowing viewing and taking photos from the wrist. This requires a phone connection through Bluetooth camera control and an active app.

Are a voice recorder, voice assistant, and ChatGPT available?

The watch has a voice recorder for short notes and a voice assistant function. The assistant requires phone connection through the app and Bluetooth assistant link.

Full ChatGPT is not present. A built-in AI robot or voice assistant may answer simple questions and execute basic commands in a limited mode.

Are a calculator, flashlight, reminders, and Always-On Display available?

Yes, the watch has a calculator, flashlight, and reminders, including drinking water and taking screen breaks. Always-On Display is supported: time can remain continuously visible, but this consumes charge faster.

Can a password be set on the watch?

Yes. Open the watch menu and go to settings - password - set password.

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How is the watch updated?

Updates use the phone app. Open Wearfit Pro, enter watch settings, and select software/Firmware update. Keep the watch near the smartphone with at least 50% charge. An available update installs automatically.

How is the language changed if Chinese is selected after activation?

Connect through Wearfit Pro: after synchronisation, the language often changes to the smartphone language. Otherwise, open watch settings, find the language or globe icon, and select English manually.

Health, Activity, and Sports

Which health functions does Smart Watch S11 provide?

The watch provides heart rate, blood pressure, blood oxygen saturation, temperature, step counting, sleep tracking, and activity functions. Data can appear in Wearfit Pro. Readings are for general monitoring and do not replace medical instruments.

Does the watch measure blood pressure, and how accurately?

The watch displays blood pressure readings but is not a medical blood pressure monitor. Values are informational and may differ from a certified instrument. A difference of approximately 20 units from an ordinary monitor is specified.

Use a medical blood pressure monitor for diagnosis, treatment, and disease monitoring.

How does the watch measure blood pressure?

Pressure is calculated optically: sensors and algorithms analyse pulse and blood flow. The watch does not inflate a cuff, so measurement is approximate.

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Do the pedometer and sleep tracking work?

Yes, the watch has a pedometer, counts steps, and can track sleep. Nighttime sleep is recorded best. Daytime sleep may be detected inaccurately or not recorded, especially if brief.

Do sports modes work without a phone connection?

Yes. The watch independently counts steps and records workouts, heart rate, and some activity. Connecting to the app later is required to synchronise history and extended data.

Is the watch suitable for workouts?

Yes, it suits everyday workouts and activity monitoring. Sports functions, a pedometer, heart rate measurement, and comfortable wear are provided. The adjustable strap allows ordinary sports use.

Can phone glucose monitoring be connected to the watch?

No, phone glucose monitoring cannot be transferred to the watch. Smart Watch S11 is not a medical device and does not support synchronisation with glucose monitoring systems.

What does the green indicator on the watch back mean?

The green indicator on the case back is the heart rate sensor. Its operation is normal. This indicator cannot be disabled on this model.

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Can a missing person be located using the watch?

No, it is not intended for tracking a person's location. There is no real-time GPS location tracking. A connected-phone finder is provided, but it does not determine the wearer's location.

Is the watch suitable for tracking an older person's location?

It is unsuitable for tracking an older person's location. It is not a GPS tracking device and works with a phone through Bluetooth short-range connection. For location tracking, a separate GPS-enabled watch with a SIM card or a specialised tracker is preferable.

It can be used as an ordinary smartwatch for phone-based calls, notifications, steps, heart rate, and an SOS button through the linked smartphone.

Battery and Charging

How long does Smart Watch S11 retain its charge?

Different operating times are possible because duration depends on screen brightness, calls, notifications, Bluetooth activity, and enabled functions:

Maximum brightness, frequent screen use, calls, and continuous synchronisation consume charge faster.

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Why does the battery run down in a day when 2-3 days are stated?

Rapid consumption is possible with high brightness, active Bluetooth phone calls, many notifications, continuous synchronisation, Always-On Display, and frequent screen activation. Battery performance is usually more stable after initial charging cycles.

Reduce brightness, disable unnecessary functions, use the supplied cable, charge from a 1 A 5 V adapter, and fully charge the watch 2-3 times.

How quickly does the watch charge, and what charger is used?

The watch charges quickly. Specified charging times are approximately 1.5 hours and around 2 hours. A magnetic charging cable is included and need not be purchased separately. Simply place the watch on the magnetic charger without disassembling the case or strap.

What should be done with the battery during the first week?

During the first week, fully charging and discharging the watch several times is recommended. Charging for several hours to stabilise the battery is also acceptable. The recommendations specify 2-3 full charging cycles.

Can the watch drain the phone battery?

Yes, active watch use may noticeably consume smartphone charge. Main causes are Bluetooth call operation, frequent notifications, continuous synchronisation, an active screen, and Wearfit Pro running in the background.

Screen, Interface, and Settings

Does the screen or interface lag?

The interface is fast: touch response is quick, scrolling smooth, and apps open without noticeable delays. The touch interface should not freeze during ordinary use.

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Can the menu be changed?

Yes, it can be changed to a convenient display style. Different menu views are available, and the main functions are found in the watch menu and app.

Can watch faces and themes be changed and a personal photo added?

Yes. The app has a large watch face selection, including free options. To find free themes, open watch faces and scroll farther down.

For a personal photo, open Wearfit Pro, enter «Watch Faces» or «Theme Market», select a custom face, upload a gallery photo, and install it. A built-in theme can also be changed quickly on the watch: hold the screen and select the desired option.

What should be done if a watch face cannot be changed through the app and an error appears?

Try switching Wi-Fi/mobile internet, reconnecting through Wearfit Pro, updating or reinstalling the app, granting all permissions, and disabling power saving. The error sometimes relates to a temporary app or watch face server fault.

Why does the watch show incorrect weather?

Weather comes from the phone, so data may be inaccurate without location access. Enable smartphone location services, grant Wearfit Pro location access, refresh weather in the app, and restart the watch and phone.

Is vibration available for notifications and alarms?

Yes. Vibration may activate for incoming calls, notifications, and other events according to settings. The alarm uses vibration without an audible signal.

To retain only vibration overnight and avoid unnecessary signals, enable «Do Not Disturb» and disable it in the morning.

Can a personal alarm melody be set?

No, a personal alarm melody or ringtone is unsupported. The alarm can be configured through the watch or app but uses standard vibration.

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Do notification and call sounds differ from Apple Watch?

Yes, they differ from original Apple Watch sounds. Smart Watch S11 has its own software, so sounds and vibration are implemented differently.

Water Protection and Water Exposure

Is water protection provided, and can hands be washed while wearing the watch?

Yes, the watch has an IP68 protection rating. This means protection from dust, splashes, and brief water contact. Hands can be washed while wearing it, and ordinary water contact should not cause water ingress.

Can the watch be worn while swimming?

The watch permits brief immersion to 1.5 m for up to 30 minutes. Careful pool use is possible, but regular prolonged swimming is not recommended.

After chlorinated water exposure, rinse with clean fresh water and dry carefully.

Can the watch be worn for 1-1.5 hours in a pool or for diving to 30 m?

Swimming for 1-1.5 hours exceeds brief water contact conditions. Tests are usually performed in clean fresh water without movement, while pools involve chlorine and movement loads. This increases damage risk.

Diving to 30 m is prohibited. The model is not intended for deep or prolonged underwater use.

Straps, Fit, and Package Contents

How many straps are included?

Two straps are included: silicone or rubber, and metal. For black watches, the straps match the case colour. They are easy to change, and the magnetic metal strap secures the watch well on the wrist.

Which strap is more comfortable?

Both suit daily wear. The magnetic metal strap is described as comfortable and secure. The silicone strap is practical for everyday use and workouts.

Will the watch fit a child's wrist or a wide or slim wrist?

Strap adjustment allows different wrist sizes. It fitted a 10-year-old child with a spare magnetic strap, fits a wide wrist with spare length, and can be used on a slim wrist. A very slim wrist may require an additional hole or shorter strap.

Will the strap fit a 23 cm wrist and an 18-19-year-old user?

The strap should usually fit a 23 cm wrist because it has a wide adjustment range. The watch also suits an 18-19-year-old user, with adjustable strap size.

Which straps fit Smart Watch S11?

Possible strap compatibility options include 44/45/49 mm, 46 mm, and straps compatible with large Apple Watch models. Item 768718956 also specifies a standard 22 mm mounting.

Check both mounting width and length: S/M or a shortened version suits slim wrists, while a longer version suits wide wrists. Materials may be silicone, metal, or magnetic straps.

Will original Apple Watch straps or series 10 46 mm straps fit?

Yes, Apple Watch straps may fit if the correct large mounting size is selected. Compatibility with 44/45/46/49 mm straps is specified. Select a large 44-45-49 mm or 46 mm strap according to accessory markings.

What should be done if the strap is too large?

A shorter strap with compatible 49/45/44 mm mounting can be purchased. Check strap length: S/M or a shortened version usually fits a slim wrist more closely.

How is the strap removed or changed?

Find the release button on the inner mounting side, press it, and slide the strap sideways simultaneously. Insert the new strap along the guides until it clicks.

If it will not enter, check orientation, insert evenly along the grooves, and lightly press the rear release button. The mechanism sometimes requires slightly more force.

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Are there strap locking problems?

Occasional problems may affect one strap: it may fail to lock, move in the grooves, or open while removing the watch. Check correct guide installation and locking until a click. If it does not remain secure after correct installation, replace it with a compatible strap.

Accessories and Screen Protection

What protective film or glass size fits?

45/49 mm protective films and glass fit the watch. A 49 mm film covers the case as fully «edge to edge» as possible. 46 or 49 mm options are also specified, so compare accessory size with the case before purchase.

Which is better for screen protection: glass or film?

Both are suitable. Protective glass is preferable against scratches and minor impacts. Film is less noticeable and preserves touch sensitivity better.

Which silicone cover or bumper fits?

49 mm silicone protective covers usually fit Smart Watch S11. An Apple Watch bumper may fit in 44/45 mm or 49 mm size. Compare cover or bumper dimensions with the watch case before purchase.


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