Function: 9 Frequency Vibration Color: Black Size: 13.7 * 4.4 cm/5.3" * 1.7" Net Weight: 102 g/0.22 lb/3.5 oz Power: Lithium battery/3.7V/140mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package Size: 17x 11.65x 5.15cm