Function: 2 * 9 Frequency Vibration Color: Rose/Purple/Black Size: 13.2 * 3.9 cm/5.2  * 1.5 inch Net Weight: 127.4 g/0.28 lb/4.5 oz Power: Lithium battery/3.7V/240mAh Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 17 x 11.65 x 5.15 CM