Function: 10 Frequency Vibration,3 Mode Thrusting Color: Black Size: 16 * 3.9 cm/6.3  * 1.5 inch Insert Length: 14 cm/5.5 inch Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Thrusting/Wireless Package Size: 18*13.5*4 CM