1. Battery capacity: 500 mA
2. Charging method: USB
3. Charging time: 90 minutes
4. Current and voltage: 1A/3.7V
5. Output power: 5W
6. Gear position: 3 gears
7. Three-in-one with display, hot compress and blackhead meter functions
8. Dimensions: 17.2x3.5 cm
9. Packing list: host, charging cable, manual, waterproof silicone sleeve, 4 tips