Function: 9 Frequency Vibration Color: Black Size: 12.2 * 3.8 cm/4.8" * 1.5" Net Weight: 119 g/0.26 lb/4.2 oz Power: Lithium battery/3.7V/400mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package Size: 17x11.65x5.15cm