Function: 4 Frequency Vibration & Thrusting Color: Black Size: 23.5 * 3.1 cm/9.2" * 1.2" Thrusting Length: 2 cm/0.78" Net Weight: 208.5 g/0.46 lb/7.3 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof