Function: 2 * 9 Frequency Vibration
Color: Black
Size: 9.1 * 3.1 cm/3.6" * 1.2"
Net Weight: 56.7 g/0.13 lb/2 oz
Power: Lithium battery/3.7V/140mAh
Material: ABS + Silicone
Package: Color Box
Further: Waterproof/Magnetic charging/Wireless
Package Size: 17x 11.65x 5.15cm