Function: 16 Frequency Vibration Color: Black/Purple/Coral/Red Size: 12.5 * 3.0 cm/4.9" * 1.1" Net Weight: 70 g/0.15 lb/2.4 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 13*4.5*4.5 CM