Function: 7 Frequency Vibration Color: Black/Blue Size: 19 * 4.6 cm/7.5" * 1.8" Net Weight: 150 g/0.33 lb/5.3 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof, 2 Motor Package Size: 21*11*5.2 CM