Function: 9 Frequency Vibration Color: Black Size: 12.6 * 3.4 cm/5.0" * 1.3" Net Weight: 88 g/0.19 lb/3.1 oz Power: Lithium battery/3.7V/400mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package Size: 17x11.65x5.15cm