1. Introduction
Thank you for choosing the HYCHIKA Sonic Electric Toothbrush. This manual provides essential information for the safe and effective use of your new toothbrush. Please read it thoroughly before first use and retain it for future reference. This sonic toothbrush is designed to provide a superior cleaning experience with its high-frequency vibrations, long-lasting battery, and multiple brushing modes.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x HYCHIKA Sonic Electric Toothbrush (Model: P2)
- 8 x High-end Toothbrush Heads
- 1 x USB-Type C Charging Cable
- 1 x Instruction Manual
- 1 x Exquisite Packaging Box

Image: All components included in the HYCHIKA Sonic Electric Toothbrush package.
3. Safety Information
WARNING:
- This product is not intended for use by children.
- Do not leave the toothbrush unattended with young children to prevent potential choking hazards from small parts.
- 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.
Always consult with a dental professional if you have any concerns about your oral health or the suitability of this product for your specific needs.
4. Product Features
- Extended Battery Life: Up to 240 days of use on a single charge with a 2500mAH lithium battery.
- 3 Brushing Modes: CLEAN, WHITE, and CARE for customized oral care.
- Smart Timer: Built-in 2-minute timer with 30-second interval reminders for optimal brushing.
- High Vibration Frequency: Up to 31,000 vibrations per minute for effective cleaning.
- Quality Brush Heads: 8 replacement brush heads with food-grade round-tip DuPont bristles, providing a 2-year supply.
- IPX7 Waterproof: Fully washable design for convenient cleaning and safe use in the shower.
- Type-C Charging: Modern and convenient charging port.
- Anti-slip Design: Ergonomic handle for a secure grip.

Image: 240-day battery life with 2500mAH capacity.

Image: 8 replacement brush heads for 2 years of use.

Image: Up to 31,000 vibrations per minute.

Image: IPX7 waterproof performance.
5. Setup
- Charge the Toothbrush: Before first use, fully charge the toothbrush. Open the Type-C charging port cover at the bottom of the handle and connect the provided USB-Type C cable to a suitable power adapter (not included). The power indicator light will flicker red during charging and turn green when fully charged.
- Attach a Brush Head: Align the brush head with the metal shaft on the toothbrush handle and push it down firmly until it clicks into place. Ensure it is securely attached.

Image: Type-C charging port and anti-slip design.
6. Operating Instructions
Brushing Modes
The HYCHIKA Sonic Electric Toothbrush features three classic brushing modes to suit your needs:
- CLEAN Mode: The classic working mode for daily comprehensive cleaning.
- WHITE Mode: Designed to effectively remove surface stains for brighter teeth.
- CARE Mode: Provides gentle care, ideal for sensitive gums.
To select a mode, press the power button repeatedly. The toothbrush will remember your last used mode for convenience.

Image: Brushing modes and charging indicators.
Smart Timer
The toothbrush is equipped with a 2-minute smart timer and 30-second interval reminders. This ensures you brush for the optimal time recommended by dental professionals and encourages thorough cleaning of all four quadrants of your mouth.
- The toothbrush will pause briefly every 30 seconds to signal you to move to the next quadrant of your mouth.
- After 2 minutes, the toothbrush will automatically shut off, indicating the completion of your brushing cycle.

Image: 2-minute smart timer with 30-second pause reminders.
7. Charging
Your HYCHIKA Sonic Electric Toothbrush features a high-capacity 2500mAH lithium battery, providing an exceptional battery life of up to 240 days on a single full charge. This allows for extended travel without the need for a charger.
- To charge, open the protective cover at the bottom of the toothbrush handle and insert the USB-Type C charging cable.
- Connect the other end of the cable to a USB power source (e.g., wall adapter, computer USB port).
- The power indicator light will flicker red during charging. Once fully charged, the light will turn solid green.

Image: Toothbrush connected to charging cable.
8. Maintenance
Cleaning the Toothbrush
After each use, rinse the brush head and handle thoroughly under running water. The toothbrush is IPX7 waterproof, allowing for easy cleaning. Wipe the handle dry with a soft cloth.
Replacing Brush Heads
For optimal hygiene and brushing performance, it is recommended to replace the brush head every 3 months, or sooner if the bristles become frayed. Your package includes 8 brush heads, providing a 2-year supply.
To replace a brush head:
- Grip the brush head firmly and pull it straight off the handle.
- Align a new brush head with the metal shaft and push it down until it clicks into place.
Replacement brush heads can be purchased by searching for ASIN: B0F91TLT43 or "HYCHIKA Electric toothbrush replacement head" on Amazon.com.
9. Troubleshooting
If you encounter any issues with your HYCHIKA Sonic Electric Toothbrush, please refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Toothbrush does not turn on. | Battery is depleted. | Charge the toothbrush fully. |
| Weak vibrations. | Low battery or loose brush head. | Charge the toothbrush. Ensure brush head is securely attached. |
| Brush head falls off during use. | Brush head not properly attached. | Remove and re-attach the brush head, ensuring it clicks into place. |
| Charging indicator not working. | Cable or power source issue. | Try a different USB-C cable or power adapter. Ensure the charging port is clean. |
If the problem persists after trying these solutions, please contact customer support.
10. Specifications
| Feature | Specification |
|---|---|
| Model Number | P2 |
| Product Dimensions | 8 x 4 x 2 inches; 10.86 ounces |
| Battery Type | 2500mAH Lithium Battery (included) |
| Battery Life | Up to 240 days (based on CARE working mode) |
| Vibration Frequency | Up to 31,000 VPM |
| Brushing Modes | Clean, White, Care |
| Timer | 2-minute smart timer with 30-second quadpacer |
| Waterproof Rating | IPX7 |
| Power Source | Battery Powered |
| Bristle Firmness | Medium |
| Manufacturer | HYCHIKA |
11. Warranty and Support
HYCHIKA offers a money-back guarantee within 180 days if the battery ceases to function. You may also be eligible for a new replacement at no charge within this period (180 days must be valid from the CARE working mode).
If you encounter any issues or have questions regarding your product, please do not hesitate to contact our customer support team:
Email: support@hychika.com
Please provide your product model (P2) and a detailed description of the issue when contacting support for faster assistance.
12. Video Resources
No official product videos with relevant creator type and format were available in the provided data to embed in this manual.