Function: 20 Frequency Vibration Color: Rose/Purple Size: 18.2 * 2.7 cm/7.2" * 1.1" Insert Length: 11.5 cm/4.5" Net Weight: 77 g/0.17 lb/2.72 oz Power: lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof, USB Recharge Package...