1. Red, green and blue light skin care, alternating hot and cold therapy, activate cells, improve skin texture
2. Simple operation, convenient for daily skin care
3. Material: ABS
4. Power supply: USB rechargeable
5. Voltage: DC5V
6. Power: 10W
7. Battery capacity: 1800mAh
8. Charging time: about three hours
9. Use time: about 1 hour
10. Charging indicator light: red and blue lights flash alternately, and turn off when fully charged
11. Cooling temperature: 5 degrees Celsius, 15 degrees Celsius, 20 degrees Celsius, 25 degrees Celsius
12. Heating temperature: 40 degrees Celsius, 45 degrees Celsius, 50 degrees Celsius, 55 degrees Celsius
13. USB cable length: 160cm+/-3cm