Function: 9 Frequency VibrationColor: Black/RedSize: 8.5 * 2.5 cm/3.35 * 0.99 inchNet Weight: 150 g/0.33 lb/5.29 ozPower: Lithium batteryMaterial: Silicone + ABSPackage: Color Box/OPP BagFurther: Waterproof/Wireless/APP+Remote ControlRed: Wireless + APPBlack: Wireless