Function: 7 X 7 Frequency Vibration
Color: Black
Size: 15.5 * 6.5 cm/6.1" * 2.6"
Insert Size: 14.5 * 3.5 cm/5.7" * 1.4"
Net Weight: 330 g/0.73 lb/11.6 oz
Power: Lithium battery
Material: ABS + Silicone
Package: Color Box
Further: IPX 5 Waterproof, Warming