Function: 9 Frequency Vibration Color: Rose/Purple Size: 17.9 * 3.5 cm/7.0" * 1.3" Insert Length: 10.8 cm/4.2" Net Weight: 115 g/0.25 lb/4.0 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 25*9*5 CM