Function: 10 Frequency Vibration Color: Black Size: 13.5 * 11 cm/5.3  * 4.3 inch Insert Length: 10.5 * 3.3 cm/4.1 * 1.3  inch Net Weight: 135 g/0.29 lb/4.7 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package...