Function: 7 Frequency Vibration Color: Black/Pink/Blue Size: 8.4 * 1.6 cm/3.3  * 0.6 inch Net Weight: 32 g/0.07 lb/1.1 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 11*5.3*2.5 CM