1. Introduction
The RexCodar Ultrasonic Kids U-Shaped Electric Toothbrush is designed to provide effective and engaging oral hygiene for children aged 6-12. This manual provides essential information for the safe and proper use, maintenance, and care of your new toothbrush.

The RexCodar Ultrasonic Kids U-Shaped Electric Toothbrush, featuring a blue astronaut design.
2. Safety Information
- Do not allow children under 6 to use this toothbrush unsupervised.
- Keep out of reach of children.
- This product contains small parts that may pose a choking hazard if swallowed.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Package Contents
Your RexCodar Electric Toothbrush package includes:
- 1 x Astronaut-shaped toothbrush handle
- 2 x Food-grade silicone U-shaped brush heads
- 2 x Soft PBT bristle brush heads (standard type)
- 1 x USB charging cable
- 1 x User Manual

Included components: astronaut handle, U-shaped brush head, two standard brush heads, and charging cable.
4. Product Features
- Ultrasonic Cleaning: Utilizes ADA-approved technology for 360° cleaning, effectively removing plaque and reducing bad breath.
- Low-Amplitude, High-Frequency Motor: Specifically designed vibrations ensure powerful cleaning without harming children's teeth and gums.
- Five Cleaning Modes: Includes Soft Mode, Standard Mode, Cleaning Mode, Whitening Mode, and Massage Mode to suit individual needs.
- 60-Second Smart Timer: Automatically turns off after 60 seconds to promote scientific brushing habits.
- IPX7 Waterproof: The entire body is washable, preventing stains and bacteria buildup.
- Creative Astronaut Design: Engaging design to encourage children's interest in brushing.

Overview of the toothbrush's key features and advantages.

Detailed description of the five available cleaning modes.
5. Setup
- Unpack: Carefully remove all components from the packaging.
- Choose Brush Head: Select either the U-shaped silicone brush head or a standard PBT bristle brush head.
- Attach Brush Head: Firmly attach the chosen brush head to the toothbrush handle. Ensure it is securely in place.
- Initial Charge: Before first use, fully charge the toothbrush. Refer to the "Charging Instructions" section.
6. Charging Instructions
To charge your RexCodar Electric Toothbrush:
- Insert the DC end of the charging cable vertically into the round hole at the bottom of the toothbrush.
- Connect the USB end to a suitable charging head socket (e.g., wall adapter, computer USB port).
The LED light on the toothbrush will flash while charging. It will turn off once the toothbrush is fully charged.
Video demonstrating how to connect the charging cable to the RexCodar toothbrush.
7. Operating Instructions
Follow these steps for effective brushing:
- Apply Toothpaste: Apply a small amount of foam toothpaste evenly onto the U-shaped brush head. If using a standard brush head, apply toothpaste as usual.
- Insert & Select Mode: Place the U-shaped brush head into the child's mouth, ensuring it covers all teeth. Press the power button to turn on the toothbrush and cycle through the 5 cleaning modes to select the desired vibration frequency.
- Brush: Gently move the toothbrush from side to side or in small circles to ensure all tooth surfaces are cleaned. The 60-second smart timer will indicate when brushing is complete.
- Rinse: After brushing, remove the toothbrush and rinse the brush head thoroughly with water.

Step-by-step guide for using the U-shaped electric toothbrush.
Demonstration of the U-shaped ultrasonic automatic toothbrush for kids.
8. Maintenance
- Cleaning: After each use, rinse the brush head and the toothbrush handle under running water. The IPX7 waterproof rating allows for easy cleaning.
- Brush Head Replacement: It is recommended to alternate between the U-shaped silicone toothbrush and the straight handle toothbrush every month. To replace a brush head, press the center of the brush head holder with your thumb and forefinger, then slowly pull up.
- Storage: Store the toothbrush in a dry, clean place.

Instructions for replacing the toothbrush head.
9. Troubleshooting
- Toothbrush not turning on: Ensure the toothbrush is fully charged. If the issue persists, contact customer support.
- Insufficient cleaning: Ensure the correct cleaning mode is selected and that the brush head is properly positioned in the mouth. For U-shaped brushes, gentle movement is still required. Consider alternating with the standard bristle brush head for stronger cleaning.
- Charging issues: Verify the charging cable is securely connected to both the toothbrush and the power source. Check if the LED light flashes during charging.
10. Specifications
| Feature | Detail |
|---|---|
| Brand Name | RexCodar |
| Model Number | WB 6-12 |
| Age Range Description | Kid (6-12 Age) |
| Operation Mode | Automatic |
| Number of Settings | 5 (Soft, Standard, Cleaning, Whitening, Massage) |
| Waterproof Rating | IPX7 |
| Item Firmness | Soft |
| Included Components | Timer |
| Item Weight | 0.28 Kilograms |
| Material | Plastic (Handle), Nylon (Bristle) |
| UPC | 744316898721 |
11. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact RexCodar customer service. We are committed to providing assistance and ensuring your satisfaction.
Contact information can typically be found on the product packaging or the official RexCodar website.