Function: 12 Frequency Vibration Color: Rose/Purple/Black/Pink Size: 19.5 * 4.2 cm/7.7" * 1.7" Net Weight: 134 g/0.3 lb/4.7 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 23*8*4 CM