Function: 12 Frequency Vibration Color: Red/Blue Size: 8.3 * 4.5 cm/3.2  * 1.77 inch Net Weight: 32 g/0.07 lb/1.12 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 10.5*7*3.3 CM