Function: 9 Frequency Vibration
Color: Black
Size: 11.2 * 5.1 cm/4.4" * 2"
Net Weight: 54.1 g/0.11 lb/1.9 oz
Power: Lithium battery/3.7V/140mAh
Material: ABS + Silicone
Package: Color Box
Further: Waterproof/Magnetic charging/Wireless
Package Size: 20x 7.15x 4.65cm