Product information: Product material: ABS Product color: white Battery Type: polymer lithium battery Battery capacity: 400mAh Charging time: about 2 hours Battery life: 1-2 hours Charging voltage/current: 5V 1A Product Power: 4 W Rated Voltage: 3.7V Battery Type: polymer lithium battery
I love the heating feature. It feels soothing while helping firm my skin. My face looks more contoured and refreshed.