Function: 11 Frequency VibrationColor: BlackSize: 13 * 2.8 cm/5.1  * 1.1 inchNet Weight: 148 g/0.32 lb/5.2 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/WirelessPackage Size: 15.5*15.5*6.0 CM