Using tartar remover to remove teeth in your current dental care routine will reduce the level of bacteria in your mouth, resulting in a fresher breath. Dental savior. No need to use dental floss, dental flosser or mouthwash. Enjoy professional teeth cleaning anytime, anywhere. Smart high-frequency vibration effectively removes stubborn tooth stains and calculus, reducing the damage to enamel and gums caused by manual dental tools. This tooth cleaner can gently remove dental calculus by hand. It's perfect for putting it in the bathroom or taking it with you when you travel. After using this cleanser, your teeth will be visibly white and there is no plaque. It feels like you left the dentist after deep cleaning your teeth. Before purchasing, please feel free to ask questions about our products in the Q&A. Product description Color name: black Specification: Material: entry-level silicone + plastic Applicable people: Adults Style: rechargeable (built-in battery) Product size: 190*30.5*20.5mm Rated voltage: 3.7V Rated current: 200mA Standby current: 20ua Battery specification: 300 mAh Power adapter: 5V 500 mA Charging time: less than 2 hours Motor noise: less than 60 decibels First speed: 8321 times per minute Second gear speed: 9787 times per minute Three speeds: 11195 times per minute Four speeds: 12423 times per minute Five speeds: 13,320 times per minute Service life: more than 1 year Gear position: 5 gears Package includes: Tooth cleaner*1 USB cable*1 Manual*1