1. Introduction
Thank you for choosing the Oclean Flow Sonic Electric Toothbrush. This manual provides detailed instructions for the safe and effective use, maintenance, and troubleshooting of your new toothbrush. Please read this manual thoroughly before first use and keep it for future reference.
2. Safety Information
To ensure safe operation and prevent injury or damage, please observe the following precautions:
- Caution: Do not use the toothbrush while sleeping.
- Avoid using the toothbrush with wet hands to prevent electrical hazards.
- Before disposing of the toothbrush, remove the brush head to prevent accidental swallowing by children.
- Keep the device out of reach of children.
- Do not disassemble, repair, or modify the device yourself. Contact authorized service personnel for repairs.
- Do not immerse the charging base in water or any other liquid.
- If you have any oral health concerns, consult your dentist before using this product.
3. What's in the Box
Upon opening the package, verify that all components are present and in good condition:
- Oclean Flow Sonic Electric Toothbrush Handle
- 1 x Brush Head (DuPont bristles)
- USB-C Charging Cable
- User Manual

Image: The Oclean Flow Sonic Electric Toothbrush, including the handle, brush head, and its retail packaging, illustrating the product's design and contents.
4. Product Overview
Familiarize yourself with the main components of your Oclean Flow toothbrush:
- Brush Head: Features W-shaped DuPont bristles for effective cleaning and gum care.
- Handle: Ergonomically designed for comfortable grip, housing the motor and battery.
- Power Button: Used to turn the toothbrush on/off and switch brushing modes.
- Mode Indicators: LED lights indicating the selected brushing mode.
- Charging Port: USB-C port located at the bottom of the handle for charging.
5. Setup
5.1 Initial Charging
Before first use, fully charge your Oclean Flow toothbrush. A full charge takes approximately 5 hours and provides up to 180 days of use.
- Connect the USB-C charging cable to the charging port at the bottom of the toothbrush handle.
- Plug the other end of the USB-C cable into a compatible USB power adapter (not included) or a computer's USB port.
- The indicator lights on the handle will show the charging status. Once fully charged, the lights will indicate completion.

Image: The Oclean Flow toothbrush connected to a laptop via its USB-C charging cable, demonstrating the charging process. A graphic indicates "1 full charge = 180 days of cleaning."
5.2 Attaching the 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 before use.
6. Operating the Toothbrush
6.1 Power On/Off
Press the power button once to turn the toothbrush on. Press and hold the power button for 2 seconds to turn it off.
6.2 Changing Brushing Modes
With the toothbrush turned on, press the power button repeatedly to cycle through the 5 available brushing modes. The corresponding LED indicator will light up for the selected mode.
- Morning Mode: For superior cleaning.
- Night Mode: For deep cleaning.
- Cleaning Mode: For daily cleaning.
- Whitening Mode: For a naturally whiter smile.
- Gentle Mode: Suitable for individuals with sensitive gums.

Image: A detailed view of the Oclean Flow toothbrush handle, highlighting the five distinct brushing modes: Morning, Night, Standard, Whitening, and Gentle, each with its corresponding icon.
6.3 Brushing Technique and Smart Timer
The Oclean Flow features a 2-minute smart timer and a 30-second quadrant reminder to ensure thorough cleaning of all areas of your mouth.
- Apply a small amount of toothpaste to the brush head.
- Place the brush head against your teeth at a slight angle towards the gumline.
- Turn on the toothbrush. Gently move the brush head across your teeth, covering all surfaces.
- 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 turn off, indicating the completion of the recommended brushing time.

Image: A user demonstrating brushing with the Oclean Flow toothbrush. Graphics illustrate the 2-minute smart timer and the 30-second quadrant reminder system, promoting effective oral hygiene.

Image: A close-up of the Oclean Flow brush head in action, with water droplets simulating its sonic vibrations. Text indicates "Up to 76,000 movements/min" for excellent and gentle cleaning.
7. Maintenance
7.1 Cleaning the Toothbrush
The Oclean Flow toothbrush is IPX7 waterproof, allowing for easy cleaning.
- After each use, rinse the brush head and the handle under running water.
- Wipe the handle with a soft cloth to remove any toothpaste residue.
- Ensure the charging port is dry before charging.

Image: The Oclean Flow toothbrush partially submerged in water, illustrating its IPX7 waterproof rating, which allows for easy cleaning under running water.
7.2 Brush Head Replacement
Dentists recommend replacing brush heads every 3 months, or sooner if the bristles become frayed or worn.
- To remove the brush head, pull it firmly away from the handle.
- To attach a new brush head, align it with the metal shaft and push until it clicks into place.

Image: A close-up view of the Oclean Flow brush head, highlighting its W-shaped design for better tooth adaptation and the use of high-quality DuPont Tynex bristles, which protect gums and enamel.
8. Troubleshooting
If you encounter any issues with your Oclean Flow toothbrush, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Toothbrush does not turn on. | Battery is depleted. | Charge the toothbrush fully. |
| Vibrations are weak. | Low battery or loose brush head. | Charge the toothbrush. Ensure the brush head is securely attached. |
| Toothbrush stops during use. | 2-minute timer completed or low battery. | This is normal if 2 minutes have passed. If not, charge the toothbrush. |
| Brush head falls off during brushing. | Brush head not securely attached. | Re-attach the brush head firmly until it clicks into place. |
If the problem persists after trying these solutions, please contact Oclean customer support for assistance.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | Flowblackset |
| Brand | Oclean |
| Dimensions (L x W x H) | 3 x 3 x 26 cm |
| Weight | 120 grams |
| Battery Life | Up to 180 days (on 5 hours charge) |
| Brushing Modes | 5 (Morning, Night, Cleaning, Whitening, Gentle) |
| Vibrations per Minute | Up to 76,000 |
| Timer | 2-minute smart timer with 30-second quadrant reminder |
| Waterproof Rating | IPX7 |
| Power Source | Battery Powered (1 x 12V battery included) |
| Brush Head Material | DuPont Tynex bristles |
| Country of Origin | China |
10. Warranty and Support
Oclean products are manufactured to high-quality standards. For information regarding warranty coverage, returns, or technical support, please refer to the warranty card included with your product or visit the official Oclean website. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may contact Oclean customer service through their official channels.





