Function: 10 Frequency Vibration Color: Black/Rose/Purple Size: 12 * 3.4 cm/4.7  * 1.3 inch Insert Length: 10 cm/3.9 inch Net Weight: 115 g/0.25 lb/4.0 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless