[Features] Food-grade Material The head of this sonic toothbrush is made of food-grade silicone. The handle is designed to be IPX7 waterproof for easy cleaning. Please note that the charge dock is not waterproof. Ergonomical Design Unique U-shape design can fit the gums better than traditional toothbrush; Combined with high-frequency sonic technology, this electric toothbrush could provide better teeth cleaning and oral protection. Efficient Teeth Cleaning Benifit from its ergonomical design and ultrasonic technology, this auto toothbrush can complete 360 cleaning in 45 seconds with its automatic timer, no need to stand by the washbasin for long time in the early morning. Wireless Charging It only takes 3 hours to fully charge the toothbrush with the charge dock, and it can be used for one week on a single charge. Safe and convenient to use at home or during traveling. Easy to Use This automatic toothbrush is designed to be convenient to use with one button. Long press the button for three sec to turn on /off the brush, short press the button to switch the cleaning modes: 1. "Strong mode" for powerful teeth brushing;2. "Medium mode" for comfortable teeth brushing; 3. "Massage mode" for gum massage; 4. "Whitening mode" for teeth whitening. [product information] product name:electric toothbrush color:black Material:ABS size:11*6.5*2.5cm Packing list (you can get after purchasing one item): electric toothbrush x1 charging base x1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.