Function: 9 Frequency Vibration Color: Rose Size: 20 * 3.5 cm/7.8  * 1.3 inch Net Weight: 63 g/0.13 lb/2.2 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless/APP Smart Package Size: 12.4*7.8*4.9 CM