1. Material: ABS, stainless steel 2. Features: Ultrasonic technology, strong cleaning power, no harm to gums, LED screen display, five levels of intensity, long battery life 3. Battery capacity: 700mAh 4. Charging input: 5V/1A 5. Charging current: 350mA 6. Working frequency: 37-42KHz 7. Input power: 1.75W (max) 8. Output power: 2.5W (max) 9. Noise: 60dB 10. Built-in intelligent identification chip, high-frequency vibration on hard teeth, no vibration on soft gums 11. Using USB charging interface, convenient and fast 12. Built-in large-capacity battery, long battery life 13. Two kinds of cleaning heads, targeted to solve dental problems
