Feature:1. Short press the switch button to start the toothbrush. After the toothbrush works in the selected mode for 8 seconds, short press the switch button to stop working.2. Short press the switch button to cycle through the function modes: mulch whitening, cleaning, and shutdown. Mode switching, within 8 seconds of each mode, you can short press the switch button to switch the function gear;3. Start‑up cushioning, 1.5 seconds after startup, the will gradually increase to the standard intensity; support automatic timing reversing reminder function.4. 2 minutes timer, the dentist recommends that each brushing takes up to 2 minutes. In any mode, it will automatically shut down after 2 minutes of continuous use.5. 30‑second zone change reminder, in any mode, during use, jitter once every 30 seconds, this is to remind the user to change zones to brush their teeth to ensure a balanced cleaning of the four areas of the mouth.Specification:Condition: 100% Brand NewItem Type: Electric ToothbrushMaterial: ABSOptional Color: Pink, Blue,WhiteModel: SN301Length: Approx. 231.5mm/9.1in ( Include Brush Head)Toothbrush Input: (Rated Voltage) 5V (Rated Power) 5WCharging Mode: USB (MICRO Interface) Direct ChargeCharging Time: About 3.5 HoursBattery Capacity: 600mAh (Built in)Waterproof Rating: IPX7Package List:1 x Brush Head1 x Host1 x Data CableNote:1. Please allow a slight error due to manual measurement. Thanks for your understanding.2. Since the monitors are not calibrated the same, the color of the items in the photo displayed on the computer monitor may be slightly different.3. The toothbrush head&nbs