Function: 9 Frequency Vibration Color: Red Size: 8.5 * 3.5 cm/3.3  * 1.37 inch Net Weight: 46 g/0.1 lb/1.6 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless/APP Smart Package Size: 11.5*5.5**5.5 CM