1. Product Overview
The OILSAO Water Flosser and Electric Toothbrush (Model ABB886) is an integrated oral hygiene device designed to provide comprehensive cleaning. It combines the functionality of an electric toothbrush with a water flosser, offering multiple cleaning modes and flossing speeds for effective plaque removal and gum health improvement.

Figure 1.1: OILSAO Water Flosser and Electric Toothbrush with included brush heads and charging cable.
Key Features:
- Integrated Design: Combines electric brushing and water flossing in one device.
- Multiple Modes: Features dedicated brush, floss, and combined brush & floss modes.
- Adjustable Flossing Speeds: Offers 5 distinct flossing speeds for varied intensity.
- Smart Timers: Includes a 2-minute brushing timer and 30-second quad pacer.
- Portable Design: Detachable water tank for easy travel and storage.
- Long Battery Life: Up to 30 days of use on a single charge.
- Waterproof Rating: IPX7 waterproof for safe use in wet environments.

Figure 1.2: Overview of the three cleaning modes: Brush, Floss, and Brush & Floss.
2. Setup and First Use
2.1 Unpacking and Initial Charge
- Carefully remove all components from the packaging.
- Connect the charging cable to the device and a suitable USB power source. Allow the device to charge fully before first use. The charging indicator light will confirm charging status.
2.2 Attaching the Brush Head and Water Tank
- Align the desired brush head with the top shaft of the device and push it down firmly until it clicks into place.
- To attach the water tank, align the tank's connector with the main body's connector. Push the tank upwards until it securely locks. Ensure a tight seal to prevent leaks.

Figure 2.1: Illustration of the easy installation and detachment process for the water tank.
2.3 Filling the Water Tank
- Open the water tank cap.
- Fill the tank with lukewarm water. For enhanced cleaning, a small amount of non-alcoholic mouthwash can be added, diluted as per mouthwash instructions.
- Close the water tank cap securely.
3. Operating Instructions
3.1 Powering On/Off and Mode Selection
- Press the Brush button once to turn on the device and activate the brushing mode.
- Press the Floss button once to activate the flossing mode.
- To switch between modes (Brush, Floss, Brush & Floss), press the respective mode buttons. Each mode has a different color indicator light.
- To turn off the device, press and hold the active mode button for 2 seconds.

Figure 3.1: Control panel for selecting brushing mode, flossing mode, and adjusting flossing speed.
3.2 Adjusting Flossing Speed
- While in Floss or Brush & Floss mode, press the Speed button to cycle through the 5 available flossing speeds.
- Start with the lowest speed and gradually increase as you become comfortable.
3.3 Brushing Technique
- Apply a small amount of toothpaste to the brush head.
- Place the brush head at a 45-degree angle to your gums.
- Move the brush slowly across your teeth, allowing the sonic vibrations to clean each tooth surface.
- The built-in 2-minute timer ensures adequate brushing time, with a 30-second quad timer to remind you to move to the next section of your mouth.

Figure 3.2: The 30-second quad timer and 2-minute timer guide optimal brushing duration.
3.4 Flossing Technique
- Lean over a sink and place the brush head in your mouth, aiming the water jet at the gumline at a 90-degree angle.
- Close your lips slightly to prevent splashing, but allow water to flow from your mouth into the sink.
- Start with your back teeth and work your way forward, pausing briefly between teeth to allow the water to clean thoroughly.
- Direct the stream along the gumline and between teeth.

Figure 3.3: Visual representation of the water flossing action for effective cleaning.
4. Maintenance
4.1 Cleaning the Device
- After each use, empty any remaining water from the tank.
- Rinse the water tank and the brush head under running water.
- Wipe the main body of the device with a soft, damp cloth. Do not immerse the main body in water for extended periods, despite its waterproof rating.
- Allow all parts to air dry before reassembling or storing.
4.2 Replacing Brush Heads
It is recommended to replace the brush head every 3 months, or sooner if the bristles become frayed or worn. To replace:
- Grip the existing brush head firmly and pull it straight off the shaft.
- Align a new brush head and push it down firmly until it clicks into place.

Figure 4.1: Features including multiple brush heads, water tank capacity, and waterproof design.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery or not charged. | Ensure the device is fully charged. Connect to power and check charging indicator. |
| Weak water pressure or no water flow. | Empty water tank, clogged nozzle, or improperly attached tank. | Refill the water tank. Check for blockages in the brush head nozzle. Ensure the water tank is securely attached. |
| Water leakage from the tank. | Water tank not properly sealed or damaged. | Ensure the water tank is correctly aligned and pushed firmly into place. Check the tank for any cracks or damage. |
| Brush head vibrates weakly. | Low battery. | Charge the device fully. |
6. Specifications
- Model Number: ABB886
- Product Dimensions: 8.87 x 5.94 x 5.87 inches
- Item Weight: 1.26 Pounds
- Water Tank Capacity: 200ml (approx. 7oz)
- Flossing Speeds: 5
- Brushing Modes: 3 (Brush, Floss, Brush & Floss)
- Battery: Internal rechargeable battery (Note: Product specifications mention "1 AAA batteries required (included)", which is likely a mislabeling for an integrated rechargeable battery.)
- Waterproof Rating: IPX7
- Manufacturer: OILSAO
7. Warranty and Support
For warranty information or technical support, please contact OILSAO customer service. Refer to the product packaging or the official OILSAO website for the most current contact details.
Important: 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. This product is intended for oral hygiene purposes only.





