USB Rechargeable U Shaped Electric Toothbrush for Adults 360° Whole Mouth Cleaning with 3 Cleaning Modes 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 hold 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 of the brush head by moving it left and right or up and down for better coverage. Do not charge the device in wet conditions. Always dry the toothbrush completely before charging. Features high-frequency vibrations for automated cleaning action that helps remove debris from the surface of the teeth. The U-shaped silicone brush head is designed to surround the teeth for 360-degree cleaning. Designed for adult use. The brush head is removable. Clean the brush head regularly and allow it to air dry after use. Note: This toothbrush is intended for supplemental cleaning and is not a replacement for regular brushing. It is designed to enhance your daily oral care routine. Meets everyday teeth cleaning needs. Compatible with foam toothpaste. The electric toothbrush is fully washable and safe for use in wet environments, such as during bathing or showering. Equipped with a wireless charging base. The USB charging port supports multiple charging methods. A 1-hour charge provides up to 7 days of use. Automatically turns off after 45 seconds to promote optimal brushing time and support healthy brushing habits. How to use a U-shaped toothbrush? Ultrasonic Automatic Toothbrush 4 Brushing Modes IPX7 Waterproof Fast Charging 45-Second Smart Timer