Speed: 1. Fill the detachable 300ml water tank with water. Ensure the tank is securely attached to the device. 2. Select the desired cleaning mode (Low, Medium, High, or Pulse) using the control button. 3. Attach the appropriate tip to the irrigator head. 4. Turn on the device and aim the tip at the area you want to clean. 5. Move the tip slowly along the gum line and between teeth, ensuring all areas are reached. 6. After use, detach the water tank and rinse the irrigator head and tips under running water. 7. Dry the device completely before storing. 8. For optimal results, use the device daily and follow the manufacturer's recommendations for sensitive gums.