Function: 10 Frequency Vibration Color: Blue/Purple/Black Size: 15.8 * 4.2 cm/6.2" * 1.7" Net Weight: 160 g/0.35 lb/5.6 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 17.5*6*6.5 CM