1. Fully charge the toothbrush. Place the main unit vertically on the charging dock. During charging, the LED on the handle will light up, indicating a full charge when illuminated steadily. 2. Apply toothpaste evenly on the U-shaped brush head. 3. Insert the brush head into your mouth, gently bite down to secure it in place, and select the desired cleaning mode. 4. Gently move the toothbrush back and forth and side to side with your hands to help guide it for a more thorough clean. If the fit feels tight, adjust the position by moving the toothbrush slightly left and right, up and down for better coverage. Do not charge the device in wet conditions. Always dry the toothbrush completely before charging. Features automated high-frequency vibrations that help remove plaque and debris from teeth surfaces. The U-shaped silicone brush head is designed to surround teeth for 360-degree cleaning. Designed for adult use. Removable brush head. It is recommended to clean the brush head with warm water; avoid boiling. Note: This toothbrush is intended for supplemental cleaning and should not replace regular brushing. Use it as part of a complete oral care routine. Designed to meet daily oral hygiene needs. Compatible with foam toothpaste. The electric toothbrush is fully waterproof and safe to use in the shower or under running water. Equipped with a wireless charging base. The USB charging port supports multiple charging options. A 1-hour charge provides up to 7 days of use. Automatically turns off after 45 seconds to promote optimal brushing habits. Encourages scientifically timed brushing for better dental health. How to use a U-shaped toothbrush? Ultra Automatic Toothbrush 4 Brushing Modes IPX7 Waterproof Fast Charging 45-Second Smart Timer