1. Material: environmentally friendly ABS
2. Functions: ultrasonic care, blackhead export, EMS pulse, nutrition import
3. Size: 17.3x4x1.5cm
4. Power supply mode: USB charging/built-in lithium battery
5. Battery capacity: 500mah
6. Rated power: 1.5w
7. Rated voltage: 5v
8. Use steps: daily cleansing, deep cleansing, nutrition introduction, soothing massage