Operating manual for the Dr. Bei Sonic Electric Toothbrush ultrasonic electric toothbrush



Sonic Electric Toothbrush Instruction Manual, ultrasonic model overview

Ultrasonic Electric Toothbrush Sonic Electric Toothbrush. Instruction manual in English

Thank you for purchasing the Sonic Electric Toothbrush. Please read this instruction manual carefully before operating the device. Keep this guide for future reference. Use the device only for its intended purpose as described in this manual.

Safety Instructions

Warning!

• If you have recently undergone periodontal or dental surgery, or are undergoing treatment related to oral health problems (dental treatment, loose artificial tooth), please consult your dentist.

• Consult your dentist if you experience prolonged or heavy gum bleeding after using the toothbrush.

• Children should use the toothbrush under adult supervision.

• The toothbrush is a personal hygiene item and must not be shared.

• Do not leave the main unit in the shower or other high-humidity areas.

• Do not disassemble the main unit.

• Do not press the toothbrush against teeth and gums with excessive force, and do not allow other plastic parts of the toothbrush besides the bristles to touch them. Do not clean the same area for an extended period.

• The toothbrush is intended solely for oral care in humans.

• Do not drop the main unit or expose it to strong impacts.

General Advice

• Abrasive substances used in toothpaste for removing tobacco stains or whitening may seriously damage enamel if used for a prolonged period. Consult your dentist before using abrasive toothpastes that may harm teeth and gums.

• When using this toothbrush for the first time, you may feel slight tickling or tingling. This is caused by the ultrasonic vibrations of the toothbrush.

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Device Overview

Sonic Electric Toothbrush Instruction Manual, parts and functions

1. Replaceable brush head
2. Power button
3. Cleaning mode indicator
4. Sensitive mode indicator
5. Whitening mode indicator
6. Power indicator
7. Toothbrush handle
8. Replaceable brush head
9. Micro-USB cable
10. Charging port

Specifications

Model: Dr. Bei C3 / Y1
Input parameters: 5V/0.2A
Rated power: 1.2W
Rated voltage: 3.7V
Charging time: approx. 4 hours
Waterproof rating: IPX7

(!) Note: the appearance and package contents may differ. The actual product takes priority.

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Getting Started

(!) Notes:
• For best results, moisten the brush with water.
• Apply a small amount of toothpaste to the brush.
• Place the brush in your mouth.
• To prevent toothpaste from splashing, switch the toothbrush on and off only when it is inside the mouth.

Sonic Electric Toothbrush Instruction Manual, getting started

1. Apply a small amount of toothpaste onto the bristles of the replaceable cleaning head. Place the toothbrush in your mouth, then press the power button; the brush head will start vibrating.

(!) Note: During first use, you may feel unusual vibrations. This is due to the sonic oscillations used by the electric toothbrush for effective plaque removal. With regular use, you will get accustomed to the vibration.

2. Begin brushing your teeth with sweeping motions from the gum line to the biting edge of the teeth. Brushing should last at least 2 minutes – 30 seconds per quadrant. A short pause in operation will indicate when to move to the next area. After 2 minutes, the toothbrush will switch off automatically; to stop brushing earlier, press the power switch while keeping the toothbrush in your mouth.

(!) Correct brushing technique
• Applying pressure: gently touch teeth and gums with the front part of the brush.
• Moving the brush head: clean teeth by moving the brush head horizontally.
• Tooth surface and occlusal surface: place the brush head on the tooth at a 90° angle.
• Place the brush head at a 45° angle to the gum line.
• Press the brush head vertically against the teeth and clean them one by one, considering the angle of tooth alignment.

3. After use, remove the replaceable brush head, rinse it under running water to remove toothpaste residue. Shake off excess water and dry. It is also recommended to clean the toothbrush handle after each use with a towel or soft cloth.

4. Please monitor the charge indicator. As soon as the indicator turns red, place the device on the charging station.

(!) Note: At first use, you may experience itching or slight bleeding. This is because gums are not yet accustomed to such effective cleaning. These symptoms usually disappear within 1–2 weeks.

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Installing the Replaceable Brush Head

Sonic Electric Toothbrush Instruction Manual, brush head installation

Insert the brush head onto the toothbrush handle. Leave a small gap between the two parts to prevent the brush head from touching the handle during high-frequency vibration, allowing the motor to operate at full power.

(!) Note: Dentists recommend replacing the toothbrush (brush head) every 3 months. If bristles wear out earlier, replace the brush head and reduce pressure on teeth and gums while brushing.

Operation

Changing the operating mode

To change the operating mode, press the power button until the desired mode starts (within 2–3 seconds). Refer to the light indicator on the handle. Each press cycles through the following sequence:
Cleaning mode – Sensitive mode – Whitening mode – Power off

To turn off the device, press and hold the power button for 2–3 seconds. The device also switches off automatically after 2 minutes of operation.

Battery level indicator

Green: charge 30–100%
Red (steady): charge 10–30%, recharge the device
Green (flashing): charging, 30–100%
Red (flashing): charging, 0–30%

(!) Note: 1. The device cannot be used while charging;
2. Ensure the charging port and cable are dry before charging.

Brushing Recommendations

1. Slowly move the toothbrush, keeping the bristles of the cleaning head at a 45° angle to the gum line.

Sonic Electric Toothbrush Instruction Manual, brushing technique

2. You can switch cleaning modes during use.

3. Every 30 seconds during brushing, the toothbrush briefly stops vibrating, reminding you to change brushing areas.

4. If brushing is not interrupted, the toothbrush will switch off automatically after the cycle ends.

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Cleaning and Maintenance

Sonic Electric Toothbrush Instruction Manual, cleaning and maintenance

After use, switch off the toothbrush and remove the replaceable brush head. Rinse the brush head under water at a temperature not exceeding 65°C and dry it.

Clean and dry the toothbrush handle.

Regularly clean the charging stand after ensuring it is disconnected from the power supply.

Charging

1. Before first use, please fully charge the device.

2. If the toothbrush has not been used or charged for a long period, the charge indicator may light up only after 10 minutes on the charging dock.

If the charge indicator is red or flashing, recharge the device.

Safety Notes

Before using the device, carefully read this instruction manual and keep it for future reference. To prevent electric shock, burns, fire, or other damage, follow the instructions below.

Important Notes

• This device is intended solely for oral care in home use;
• The toothbrush is a personal hygiene product and must be used individually;
• Do not press the toothbrush against teeth and gums with excessive force, and do not allow any other plastic parts of the toothbrush except the bristles to touch them;
• Do not clean one area for an extended period;
• Do not disassemble or attempt to repair the device yourself;
• Keep the device out of reach of children. The toothbrush contains small parts that may be swallowed and sharp elements that may injure a child;
• Do not store the device in places subject to strong impacts or vibrations (for example, where it could easily fall to the floor).

Charging

Warning!

• The electric toothbrush is equipped with a low-voltage battery charged using the induction charging device supplied with the product. Under no circumstances should third-party chargers be used;

• Do not connect the charger to the mains with wet hands;

• Connect the device only to a power supply with the required specifications;

• Do not charge the toothbrush near heat sources. Keep the toothbrush and charger (especially the cable) away from hot surfaces, sources of strong heat, or direct sunlight;

• Do not allow water to come into contact with the charger and adapter, as they are not waterproof;

• Do not immerse the charger in water or any other liquid. Do not place it on the edge of a bathtub or sink where it could fall into the water;

• Do not attempt to remove a charger connected to the mains if it has fallen into water. Disconnect it immediately before touching it;

• Do not use the device in the shower or bath while bathing;

• Do not use volatile organic solvents such as gasoline or thinner for cleaning. This may damage the coating or cause harm to the device;

Disclaimer

Changes or corrections may be made to this user manual due to typographical errors, inaccuracies in current information, or improvements to programs and hardware at any time and without prior notice.

All illustrations are provided solely for demonstration purposes and may not exactly represent the actual device.

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