1. Product Overview
The AAU AOW03 Cordless Water Dental Flosser is designed to provide effective oral cleaning, improving gum health and removing food debris and plaque. This portable and rechargeable oral irrigator features multiple cleaning modes and interchangeable tips to suit various dental needs.

Image: The AAU AOW03 Cordless Water Dental Flosser, its packaging, and the included assortment of jet tips.
Key Features:
- Deep Cleaning: Utilizes upgraded Pulse Technique with 2200-3000 pulses/minute and 50-150 PSI water pressure for effective plaque and debris removal.
- 5 Cleaning Modes: Offers Strong, Normal, Soft, Pulse, and Child modes with a memory function to recall your last used setting.
- Extended Battery Life: Provides up to 30 days of continuous use on a 5-hour charge, with convenient USB-C charging.
- Large Water Tank: Features a 350ml water tank for uninterrupted cleaning and an IPX7 waterproof rating for safe use in the shower.
- Rotatable Nozzle & Multiple Tips: Includes a 360° rotatable nozzle and 6 interchangeable jet tips for comprehensive cleaning of hard-to-reach areas.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x AAU Oral Irrigator
- 3 x Standard Jet Tips
- 1 x Orthodontic Tip
- 1 x Periodontal Tip
- 1 x Tongue Cleaner Tip
- 1 x Charging Cable (USB-C)
- 1 x User Manual
- 1 x Quick Guide

Image: All components included in the AAU AOW03 Cordless Water Dental Flosser package, including the main unit, various tips, charging cable, and documentation.
Jet Tips Overview:
The device comes with six specialized tips for different cleaning needs:
- Standard Jet Tips (3x): For daily gum line cleaning.
- Orthodontic Tip (1x): Designed to remove food debris from braces and orthodontic appliances.
- Periodontal Tip (1x): Suitable for cleaning periodontal pockets.
- Tongue Cleaner Tip (1x): For cleaning tongue coating to help freshen breath.

Image: Visual representation of the six included jet tips: Standard, Orthodontic, Periodontal, and Tongue Cleaner tips, with descriptions of their uses.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | AOW03 |
| Water Tank Capacity | 350 ML |
| Water Pressure Range | 50-150 PSI |
| Pulse Frequency | 2200-3000 per minute |
| Cleaning Modes | 5 (Strong, Normal, Soft, Pulse, Child) |
| Jet Tips Included | 6 (3 Standard, 1 Orthodontic, 1 Periodontal, 1 Tongue Cleaner) |
| Waterproof Rating | IPX7 |
| Battery Type | Lithium Metal (included) |
| Charging Time | Approximately 5 hours for full charge |
| Usage Time per Charge | Up to 30 days |
| Power Source | Battery Powered (USB-C rechargeable) |
| Dimensions | 10.12 x 3.7 x 3.62 inches |
| Weight | 12.35 ounces |
4. Setup
4.1. Charging the Device
Before first use, fully charge the water flosser. Connect the provided USB-C charging cable to the charging port on the device and plug the other end into a compatible USB power source (e.g., USB adapter, power bank, laptop, car charger). The charging indicator will show the charging status. A full charge typically takes about 5 hours and provides up to 30 days of use.

Image: The water flosser connected to a USB power source, illustrating its rechargeable and portable design.
4.2. Filling the Water Tank
- Open the water tank cover located on the side of the device.
- Fill the 350ml water tank with lukewarm water. You may also use mouthwash as recommended by your dentist.
- Close the water tank cover tightly to prevent leakage. Ensure the charging port cover is also securely closed before use.

Image: The water flosser highlighting its large 350ml water tank and IPX7 waterproof design, suitable for use in wet environments.
4.3. Attaching a Nozzle
- Select the desired jet tip.
- Insert the tip into the hole at the top of the flosser handle until it clicks into place.
- To remove a tip, press the tip release button on the side of the device and pull the tip out.

Image: The water flosser illustrating its 360-degree rotatable nozzle, which allows for easy adjustment to reach all areas of the mouth.
5. Operation
5.1. Power On/Off
Press the 'ON/OFF' button to turn the device on or off.
5.2. Selecting a Mode
With the device on, press the 'MODE' button to cycle through the five cleaning modes:
- Child (50 PSI): Gentle pressure for children (8+ years) or new users.
- Soft (80 PSI): For daily cleaning or sensitive teeth.
- Pulse (110 PSI): Pulsating stream to remove plaque and massage gums.
- Normal (125 PSI): Effective cleaning for general use and breath freshening.
- Strong (150 PSI): Deep cleaning, ideal for between teeth or around braces.
The device features a memory function that will automatically start in the last used mode.

Image: The water flosser control panel displaying the five distinct pressure settings and their recommended uses.
5.3. Usage Instructions
- Lean over a sink and place the tip in your mouth, aiming the stream at your gumline at a 90-degree angle.
- Turn on the device and select your desired mode.
- Guide the water stream along your gumline, pausing briefly between teeth. Allow the water to flow into the sink.
- Use the 360° rotatable nozzle to reach all areas of your mouth, including the back of your teeth.
- Continue until you have cleaned all areas or the water tank is empty.
- Turn off the device and empty any remaining water from the tank.

Image: A visual representation of the water flosser's effectiveness in deeply cleaning teeth and removing dental plaque.
6. Maintenance
6.1. Cleaning the Device
- After each use, empty any remaining water from the tank.
- Wipe the exterior of the device with a soft, damp cloth.
- Do not immerse the main unit in water, despite its IPX7 rating, to prolong its lifespan.
6.2. Cleaning the Water Tank
- The water tank is detachable for easy cleaning. Twist and pull to remove it from the main unit.
- Rinse the tank thoroughly with water. For deeper cleaning, you can add a small amount of vinegar to the water and run it through the device, then rinse with clean water.
- Ensure the tank is dry before reattaching or storing.
6.3. Storing the Device
Store the water flosser in a cool, dry place away from direct sunlight. Ensure the water tank is empty and dry before storage.
7. Troubleshooting
- Device not turning on: Ensure the device is fully charged. If the battery is low, connect it to the charger.
- Weak water pressure: Check if the water tank is sufficiently filled. Ensure the jet tip is securely attached and not clogged.
- Water leakage: Verify that the water tank cover and the charging port cover are closed tightly. Ensure the jet tip is correctly inserted.
- Unusual noise: If the device makes an unusual noise, turn it off immediately and contact customer support.
8. Warranty Information
The AAU AOW03 Cordless Water Dental Flosser typically comes with a standard warranty. Some purchases may qualify for an extended 3-year warranty upon registration with the manufacturer. Please refer to the warranty card included in your package or contact customer support for specific details regarding your product's warranty period and terms.
9. Customer Support
For any questions, technical assistance, or warranty claims, please refer to the contact information provided in your Quick Guide or User Manual. You can also reach out to the seller's customer service for support.