Bristle Texture: Daily Cleaning, 1. Collapse the device and place it in the charging base for at least 4 hours for the initial charge. 2. Remove the device from the charging base. 3. Fill the 200ML tank with water using the side-fill port. 4. Select one of the 3 modes (40-120 PSI) using the power button. 5. Place the tip in your mouth and direct the water stream at a 90-degree angle to your teeth. 6. Move the tip along your teeth and gums, spending 10 seconds on each quadrant. 7. After use, remove the tip and rinse it under clean water. 8. Store the tip in the dedicated case. 9. Allow the device to air dry before storing it. 10. Charge the device when the battery indicator shows low power.