Introduction
The DADA-TECH W2 Cordless Water Flosser is designed to enhance your daily oral hygiene routine by effectively removing debris and impurities from your teeth and gums. This manual provides detailed instructions for the safe and efficient use, maintenance, and care of your new water flosser.

Image: Visual representation of improved oral health benefits from using a water flosser.
Package Contents
Please ensure all items are present in your package:
- 1 x DADA-TECH W2 Cordless Water Flosser (Black)
- 1 x Charging Cable
- 3 x Dense Hydro Nozzles (for daily efficient cleaning with 360-degree rotation)
- 1 x U-shaped Nozzle (for cleaning the backs of teeth)
- 1 x Orthodontic Nozzle (for braces cleaning)
- 1 x Periodontal Nozzle (for alleviating periodontitis)
- 1 x Tongue Scraper Nozzle (for freshening breath)

Image: The DADA-TECH W2 Water Flosser and its seven specialized nozzles.
Product Features
- Advanced Cleaning Technology: Features A+ grade pulse technology, delivering 1400-1800 pulses per minute at 30-120 PSI for precise and stable water streams. Effectively removes up to 99.99% of debris and impurities.
- Innovative Nozzles: Includes a U-shaped nozzle for hard-to-reach areas and an LED display for enhanced usability.
- Multiple Cleaning Modes: Four distinct modes: Soft (for sensitive gums/new users), Normal (balanced power/comfort), Shoot (targeted cleaning), and Custom (8 adjustable pressure levels from 30-120 PSI).
- Versatile Nozzle Set: Comes with seven multifunctional nozzles: 3 Dense Hydro, 1 U-shaped, 1 Orthodontic, 1 Periodontal, and 1 Tongue Scraper. The water tank includes a nozzle storage clip for travel.
- Large Water Tank & Detachable Base: A 300ML (10 ounces) tank allows for a full mouth cleaning with one fill. The detachable base facilitates easy cleaning and drying, reducing microbial growth.
- Long-lasting Battery: High-capacity, energy-efficient battery provides up to 60 days of use on a single 4-hour charge. Maintains steady water flow without pressure drops.
- IPX7 Waterproof Rating: Safe for use in the shower or bathtub when the charging port is covered.

Image: Overview of the DADA-TECH W2 Water Flosser's core features.
Video: An official DADA-TECH video demonstrating the 4 modes, 8 DIY intensities, 7 jets, and 300ml tank of the oral irrigator.
Setup
- Charge the Device: Before first use, fully charge the water flosser using the provided charging cable. The charging port is located at the bottom of the device and is covered by a waterproof plug.
- Attach Nozzle: Select the desired nozzle and insert it into the opening at the top of the flosser until it clicks into place. The nozzle can rotate 360 degrees for optimal reach.
- Fill Water Tank: Open the water tank cover located at the back of the device. Fill the 300ML tank with warm water. Close the cover securely to prevent leaks.

Image: Visual guide for setting up and selecting modes.
Operating Instructions
- Select Mode: Press the 'Mode' button to cycle through Soft, Normal, Shoot, and Custom modes. The selected mode will be indicated on the LED display.
- Adjust Pressure (Custom Mode): If 'Custom' mode is selected, long-press the 'Mode' button for 3 seconds until the LED flashes. Then, press the 'Mode' button repeatedly to cycle through 8 adjustable pressure levels (01-08).
- Position Nozzle: Lean over a sink and place the nozzle tip into your mouth, aiming it at the gum line at approximately a 90-degree angle.
- Start Flossing: Press the 'Power' button to start the water flow. Move the nozzle along your gum line, pausing briefly between teeth. Allow the water to flow into the sink.
- Complete Cleaning: Continue until all areas of your mouth are cleaned. The 300ML tank is designed for a full cleaning cycle.

Image: Step-by-step visual instructions for using the DADA-TECH W2 Water Flosser.
Video: An official DADA-TECH video demonstrating the water flosser's operation, including mode selection and usage.
Maintenance
- Empty Water Tank: After each use, empty any remaining water from the tank.
- Clean Detachable Base: The base of the water tank is detachable. Remove it to thoroughly clean and dry the interior of the tank, preventing microbial growth.
- Clean Nozzles: Remove the nozzle by pressing the release button. Rinse the nozzle under clean water. Store the nozzle in the designated clip within the water tank for convenient travel.
- Wipe Device: Wipe the exterior of the flosser with a soft, damp cloth.

Image: The detachable base feature for easy cleaning.
Troubleshooting
- No Water Flow: Ensure the water tank is completely full. If the tank is not full and the device is tilted, the water pump may not function correctly.
- Weak Water Pressure: Check the battery level on the LED display. Recharge the device if the battery is low. Ensure the selected mode and custom pressure level are appropriate.
- Device Not Turning On: Ensure the device is fully charged. If the issue persists, contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | W2 |
| Brand Name | DADA-TECH |
| Power Source | Battery Powered (1 Lithium Ion battery included) |
| Tank Volume | 300 Milliliters |
| Pressure Range | 30-120 PSI |
| Pulse Rate | 1400-1800 pulses per minute |
| Waterproof Rating | IPX7 |
| Charge Time | 4 Hours |
| Usage per Charge | Up to 60 Days |
| Color | Black |
| Material Type | Plastic |
Warranty and Support
The DADA-TECH W2 Cordless Water Flosser comes with a 2-year warranty.
For any assistance or warranty claims, please follow these steps:
- Login to your Amazon account.
- Go to "Your Orders".
- Find the order ID for your DADA-TECH Water Flosser.
- Click on "Contact seller".
Our customer support team is eager to assist you with any needs or questions you may have.