Function: 9 Frequency Vibration Color: Purple/Rose Size: 18.2 * 3.5 cm/3.6  * 1.2 inch Net Weight: 121.2 g/0.12 lb/1.9 oz Power: Lithium battery/3.7V/400mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Heating Package Size: 20 x 7.15 x 4.65 CM