Function: 9 Frequency Vibration & Rotation Color: Black Size: 14.4 * 4.6 cm/5.6  * 1.8 inch Net Weight: 188 g/0.4 lb/6.6 oz Power: Lithium battery/3.7V/320mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Rotation/Wireless Package Size: 17 x11.65 x5.15 CM