Product Features: 5 cleaning modes, choose the right mode according to your teeth condition. Cleaning mode: high-frequency sound waves for effective cleaning. Sensitive mode: gentle care for gum problems. White Mode: Polishes the tooth surface, crystal clear. Massage Mode: Massages gums to relieve discomfort. Brightening Mode: Removes soft tartar and restores whiteness. High-density flocked 3D brush head with fine and soft bristles, gentle and comfortable. Rounded top of the brush head to minimize tooth damage. Fits your teeth perfectly and cleans efficiently. Color-changing bristles, reminding to replace the brush head. Adopting high-frequency sonic design, the vibration frequency is up to 40,000 times/minute, which is equivalent to 266.67 times per second of contact surface brushing, with the internal noise reduction structure design, it can efficiently and healthily clean the teeth scientifically. Fast charging can be filled in three hours, with a range of up to 50 days. Scientific intelligent timing, change zone reminder. Every 30 seconds will pause the vibration, reminding to change the cleaning zone, 2 minutes timed scientific brushing. IPX7 level waterproof, the whole body can be rinsed by water. Package size: 225*106*38.5mm Gross weight 2 brush heads: 225g Package Includes: Host * 1 Standard brush head * 2 or 8 Quantity of your choice USB charging cable * 1