Function: 10 Frequency Vibration Color: Black Body Size: 9.9 * 9.3 cm/3.9" * 3.7" Controller Size: 7.5 * 4.0 cm/3.0" * 1.6" Net Weight: 42.1 g/0.09 lb/1.5 oz  13.8 g/0.03 lb/0.48 oz Power: Lithium battery Voltage: 3.7 V Capacity: 160 MAH Material:...