Function: 7 Frequency Vibration Color: Black/Rose/Purple Size: 22 * 3.6 cm/8.6  * 1.4 inch Insert Length: 12 cm/4.7 inch Net Weight: 227 g/0.5 lb/8 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 26*11*5 CM