Features: 1 induction ultrasonic technology - magnetic levitation cleansing energy system. During ultrasonic work, solely when the working tip touches challenging items similar to tooth and dental stones will it vibrate, and delicate items reminiscent of gums will quit vibrating (to preserve gums); 2 won't really feel any vibration when conserving the handle. The burning phenomenon throughout operation is normal. Please be careful not to contact the gums for a long time; 3 for tobacco stains, tea stains, dental plaque, cussed tooth stones; four complete physique waterproof, super prolonged service life; 5 LED auxiliary light, make oral and dental problems visible; 6 transducer, 31000/min ultra-high frequency vibration teeth cleaning stone, pleased and effective; 7 grade operating tip, fantastic 304 stainless steel. Fine operating tip is suitable for cleaning between the teeth, frosted flat head operating tip is suitable for cleaning stubborn stains at the tooth surface; 8 modes are optional, and mode switching can be realized through touching them twice. 9 shutdown for 10 minutes to prevent overheating; 10 voltage detection, the lamp with calories less than 20% flashing alarm indicates low power; After use, prolonged press 1 to expose at the key power off; Specifications: Color: white Material: ABS+stainless metal Charging port:Micro-USB Working voltage:5V Working gear:5 gears Rated current:1A Waterproof level:IPX7 Battery capacity:800Mah Product color:White