Function: 2*9 Frequency Vibration Color: Rose/Purple Size: 35 * 4.2 cm/13.7" * 1.6" Net Weight: 238 g/0.52 lb/8.3 oz Power: Lithium battery/3.7V/400mAh Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 370*90*45mm