1. Nipple-grade silicone, deep into the teeth, teeth clean inside, prevent gum atrophy, promote periodontal blood circulation, reduce the occurrence of periodontitis. 2. 3 modes: microwave massage, standard whitening, high frequency whitening 3. The U-shaped toothbrush head adopts food-grade antibacterial silicone material. 4. Independent cup cover design, convenient to store, can prevent dust and bacteria 5. All-round waterproof and sealing design, lpx7, comfortable, durable and clean. 6. Intelligent mode memory function, 45 seconds automatic timing. Material:silicone Working mode: microwave massage, standard whitening, high frequency whitening, Vibration frequency: low amplitude, 18000 times/min, 24000 times/min, Waterproof class: lpx7 Charging indicator: LED flashes when charging and is always on when full charge. Package included: 1 x electric toothbrush 1 * Cup Lid 1 * USB Cable 1 x instruction manual Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)