Features: Full upgrade Electric oral cleaning kit: One machine with multiple functions, specially designed for cleaning the mouth Acoustic vibration, Powerful cleaning Smart 3-speed, soft mouthguard 4 head replacement,different functions IPX6 level waterproof performance Powerful battery life and worry-free Small and portable, worry-free travel Product description 2022 new product + large screen display + LED spotlight Dental calculus, brushing, and tongue cleaning in one machine Five generations of dental scales Parameter Material: Import grade silicone + plastic Use environment: normal temperature Applicable people: adults Input interface: DC 2.0 Rated voltage: 3.7V Power: 1W Battery capacity: 400mAh Charging time: about 2 hours Running time: 200 minutes Gear: 3 gears Color: black Packing list: main unit, cleaning head*4 (bend sanding head, flat sanding head, toothbrush, tongue scraping head), mouth mirror, DC charging cable, manual