OILSAO ABB869
OILSAO Electric Toothbrush with Water Flosser
Model: ABB869 User Manual

OILSAO Brand Logo
1. Important Safety Information
WARNING: Keep out of reach of children. Do not submerge the electric parts in water. Do not use for purposes other than oral hygiene. Always supervise children under 12 years old while using. Replace brush heads every 3 months for optimal oral hygiene and to prevent bacterial growth. Dispose of used brush heads responsibly to protect the environment.
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.
2. Product Overview
The OILSAO Electric Toothbrush with Water Flosser, Model ABB869, is an integrated oral care system designed for comprehensive teeth cleaning and gum health improvement. This device combines sonic brushing technology with a water flosser for an all-in-one solution.

Overview of the OILSAO 3-in-1 Electric Toothbrush with Water Flosser, highlighting its features including 3 modes (brush, floss, brush+floss), 5 brushing modes, 3 flossing speeds, 500ml water tank, 2-minute timer, 30-second reminder, and 5 replacement brush heads.
Key Features:
- 3-in-1 Functionality: Combines electric toothbrush, water flosser, and simultaneous brush+floss modes.
- Sonic Cleaning: Up to 40,000 vibrations per minute for effective plaque removal.
- Multiple Brushing Modes: 5 distinct modes for varied oral care needs.
- Adjustable Flossing Speeds: 3 pressure settings for comfortable and effective water flossing.
- Smart Timer: Built-in 2-minute timer with 30-second quadrant reminders.
- Large Water Tank: 500ml (17oz) capacity for extended flossing sessions.
- IPX7 Waterproof: Suitable for use in wet environments.
- Detachable Design: Portable for travel convenience.
3. Setup and Initial Use
3.1 Charging the Device
Before first use, fully charge the device. The unit offers two charging methods:
- Home Use Charging: Place the toothbrush handle into the main charging base, which also houses the water tank. Connect the AC adapter to the base and plug it into a power outlet.
- Travel Charging: For travel, the toothbrush handle can be detached and charged directly using a separate AC adapter (if provided, or the main adapter can be used with the handle only).

Illustration of the two charging methods: one for the complete home unit and another for the portable toothbrush handle.
3.2 Attaching Brush Heads and Flosser Nozzles
- Align the brush head or flosser nozzle with the shaft on the toothbrush handle.
- Push down firmly until it clicks into place. Ensure it is securely attached.
3.3 Filling the Water Tank
- Open the water tank lid.
- Fill the tank with lukewarm water. Distilled water is recommended to prevent mineral buildup.
- Close the lid securely before use.
4. Operating Instructions
The OILSAO device offers three primary operating modes: Brushing, Flossing, and a combined Brush + Floss mode.

Visual representation of the three main operating modes: Electric Toothbrush, Water Flosser, and the combined Brush & Floss function.
4.1 Electric Toothbrush Operation
The electric toothbrush features 5 adjustable modes:
- Clean: For daily plaque removal.
- White: High-frequency vibrations to help remove surface stains.
- Polish: Brightens teeth using inverted frequencies.
- Massage: Gently stimulates gums.
- Sensitive: Gentle cleaning for sensitive teeth and gums.

Detailed explanation of the 5 adjustable brushing modes and their intended uses.
To use:
- Wet the brush head and apply a small amount of toothpaste.
- Press the power button to turn on the toothbrush.
- Press the mode button to select your desired brushing mode.
- Guide the brush head slowly across your teeth, allowing the sonic vibrations to clean.
- The built-in 2-minute timer will automatically turn off the device, with a brief pause every 30 seconds to indicate when to move to a different quadrant of your mouth.

Illustration of the 2-minute smart timer feature with 30-second haptic feedback for quadrant changes.
4.2 Water Flosser Operation
The water flosser offers 3 speed settings:
- Low: Gentle pressure for sensitive gums or first-time users.
- Medium: Regular pressure for daily cleaning.
- High: Strong pressure for deep cleaning.
To use:
- Ensure the water tank is filled.
- Select a flosser nozzle and attach it securely.
- Place the nozzle tip into your mouth, aiming at the gumline.
- Press the flosser power button to turn on.
- Adjust the water pressure using the speed selection button.
- Guide the water stream along your gumline and between teeth.
4.3 Combined Brush + Floss Mode
This mode allows for simultaneous brushing and water flossing for enhanced cleaning efficiency. Activate this mode by selecting it after turning on the device. Follow the general guidance for both brushing and flossing, ensuring the water stream and brush head are directed appropriately.
5. Maintenance
5.1 Cleaning the Device
- After each use, rinse the brush head and flosser nozzle under running water.
- Empty any remaining water from the tank and rinse it thoroughly.
- Wipe the main unit with a soft, damp cloth. Do not use abrasive cleaners or submerge the electric parts.
- Allow all components to air dry before storing.
5.2 Replacing Brush Heads and Nozzles
For optimal hygiene and performance, replace brush heads every 3 months, or sooner if bristles become frayed. Flosser nozzles should also be replaced periodically, typically every 3-6 months, depending on usage.

Visual details of the included 5 brush heads (suggesting 15 months of use), the 500ml water tank, the IPX7 waterproof rating, and the soft DuPont bristles.
6. Troubleshooting
- Device not turning on: Ensure the device is fully charged. Check if the power button is pressed firmly.
- Weak water pressure: Ensure the water tank is filled. Check for any blockages in the nozzle or hose. Select a higher flossing speed.
- Brush head not vibrating: Ensure the brush head is securely attached. If the issue persists, the device may require servicing.
- Water leakage: Ensure the water tank lid is closed securely and the flosser nozzle is properly attached. Check for any cracks or damage to the tank.
If problems persist after attempting these solutions, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | ABB869 |
| Brand | OILSAO |
| Package Dimensions | 8.74 x 6.02 x 5.87 inches |
| Item Weight | 1.79 Pounds |
| Water Tank Capacity | 500ml (17oz) |
| Toothbrush Head Shape | Diamond Shaped |
| Item Firmness Description | Medium |
| Waterproof Rating | IPX7 |
| Manufacturer | OILSAO |
Note: The product specifications indicate "1 AAA batteries required." However, based on product images showing charging capabilities, the main unit is rechargeable. The AAA battery requirement may refer to a specific component or be a data entry discrepancy.
8. Warranty and Support
Specific warranty information and detailed customer support contact details are not provided within this manual. For warranty claims, technical assistance, or further inquiries, please refer to the product packaging, the seller's website, or your purchase documentation.
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