Smart Rotating Electric Toothbrush, Rechargeable Rotary Toothbrush with four Brush Heads, Adult Teeth Whitening Oral Care Tools Features:1. 40000 times/min high-frequency vibration deeply cleans the oral cavity, efficiently gets rid of tartar and dental stains, and achieves the impact of cleansing and whitening teeth. 2. Help you get rid of bad breath, improve yellow tooth and black teeth, and prevent tooth decay, swollen gums and various oral problems. The around toothbrush head made of zero DuPont high quality hair can rotate at 360°, which fits the radian of teeth surface and cleans teeth without hurting gums. USB charging design, with an extended battery lifetime of 15-30 days after complete charge, assembly your day through day teeth cleaning needs. Specifications:Material: ABSColor: whiteRated voltage: 3 power: 0: 5V 0 grade: IPX5Product size: 16+8cmBattery capacity: 500mahCharging time: about 4 hoursUsage time: 15-30 daysPacking: 27*12*5: Replace the toothbrush head every single 3 months. Packing List:1* white host4* toothbrush heads1* USB Charging Cable1* English User Manual1* Packing Box