Features: The cleaning head is made of food-grade alloy materials and can take apparent effects in cleaning The four adjustable gears can adapt for different demands High-frequency vibration helps to remove the dental calculus effectively; Two-in-one functions of tooth cleaning and brushing(Replaceable toothbrush heads are not included) The LED indicator light shines brightly, making tooth cleaning more convenient and fast Waterproof design IPX6 Rechargeable ,charging through USB interface This product is small ,exquisite in design and very portable.It allows you to clean your teeth at home. Its cleaning head structured similarly to that of the dental cleaning head can effectively remove visible dental calculus and take effect in cleaning dental plaque and tooth stains Specifications: Item Type: Oral Irrigator Material: ABS Charging voltage: 5V Rated Voltage: 3. 7V Current: 200mA Standby current: 20A Battery Capacity: 300mAh Motor Noise: 60dB Motor speed: 13000 /-1000rpm Optional Colors: Pink, blue Item Size: 193mm*31mm*23. 5mm Net Weight: 55g Package weight: 300gPackage Included: 1*Oral Irrigator 1*USB Cable 1*English Manual