1.battery used,power:5V 1A,5W
2.battery Capacity: 900mAh,
3.Waterproof Level: IPX7
4.Scratch massage 4 modes of masagers with different speed.
5.10mins timmer function
6.Two speed adjustable, High/Low
7.Wireless design: built-in li-battery
8.Skin-friendly silicone material
9.Model 1: green light on. Model 2: blue light on. Model 3: green/blue double light.Model 4: green/blue on all the time
10.charge for 2.5 hours, use for 1 hour