Function: 9 Frequency Vibration
Color: Black
Size: 10.1 * 4.1 cm/4.0" * 1.6"
Net Weight: 46 g/0.1 lb/1.6 oz
Power: Lithium battery/3.7V/140mAh
Material: ABS + Silicone
Package: Color Box
Further: Waterproof/Magnetic charging/Wireless
Package Size: 10x10.15x4.65cm