Function: 10 Frequency Vibration Color: Black/Purple/Red Insert Length: 16 cm/6.3" Size: 22.5 * 3.2 cm/8.7" * 1.2" Net Weight: 144 g/0.31 lb/5.0 oz Power: Lithium battery Material: ABS + Silicone Package: OPP Bag Further: Waterproof,Bentable