Function: 16 Frequency Vibration Color: Red Size: 17.2 * 3.0 cm/6.7  * 1.2 inch Net Weight: 40 g/0.08 lb/1.4 oz Power: Lithium battery/170mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package Size: 22.0*8.4*5.1 CM