Features:1. Ultrasonic tooth cleaner, does not hurt the gums, quickly cleans dental calculus/plaque/smoke and tea stains, etc.; ergonomic design, comfortable grip2. One-button boot, easy to operate and easy to use3. Nine cleaning gears with different strengths, you can choose the strength that suits you for cleaning4. Three modes to choose from: soft mode, medium mode, strong mode5. LED high-definition large digital display screen, clearly check the working gear6. There is no noise when starting up, and there is no vibration in the hand; intelligent recognition, only resonates on hard objects7. High-speed frequency, 2 million ultrasonic vibrations per minute, quickly clean stones (non-motor vibration)8. Comes with LED double lights, clearly illuminates the blind area of vision, used with the dental mirror, all-round cleaning without dead ends9.304 stainless steel working cusps, more secure to use10. The working flat head\ pointed head can be replaced according to different situations (the package includes a small wrench)11. The machine will automatically power off after working for 15 minutes12. Large-capacity lithium battery, fully charged can be used 20 times, to solve the trouble of frequent charging13. Use the USB power cord, the delivery does not include the adapter1. Material: ABS, PC2. Process: heavy industrial ink + alloy process3. Working frequency: 42KHZ, 2 million times/minute4. Working gear: 9 gears5. Screen: LED digital display6. Rated voltage: 3V7. Battery capacity: Premium Edition: 700mAh, Standard Edition: 500mAh8. Charging time: Premium version: 2-3 hours, standard version: 2 hours8. Use time: Premium version: about 300 minutes, standard version: about 200 minutes 9. Product size: 195 x 28 x 29mm (excluding cusps) 10. Product net weight: exclusive version: 88g, standard version: 84gPacking list:-Flosser x 1-Cleaning tip x 1-Clean flat head x 1-Dental mirror x 1-Small wrench x 1-USB power cable x 1-Instruction manual x 1