Function: 9 Frequency Vibration Color: Black Size: 14.3 * 3.8 cm/5.6  * 1.5 inch Net Weight: 135.8 g/0.3 lb/6.6 oz Power: Lithium battery/3.7V/240mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package Size: 17 x11.65 x 5.15 CM