Function: 9 Frequency Vibration
Color: Black/Green
Size: 17.8 * 3.2 cm/7.0 * 1.2 inch
Net Weight: 57 g/0.12 lb/2.0 oz
Power: Lithium battery/3.7V/90mAh
Material: ABS + Silicone
Package: Color Box
Further: Waterproof/Wireless
Package Size: 10 x 10.15 x 4.65 CM