Function: 7 Frequency VibrationColor: Black + GoldenSize: 25 * 4.5 cm/9.8" * 1.8"Net Weight: 173 g/0.38 lb/6.1 ozPower: lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof, USB RechargePackage Size: 26.5*6.2*5.2 CM