Function: 9 Frequency Vibration Color: Light Purple/Pink Size: 8.9 * 4.1 cm/3.5  * 1.6 inch Net Weight: 59.5 g/0.13 lb/2.1 oz Power: Lithium battery/3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 10 x 10.15 x 4.65 CM