Function: 9 Frequency VibrationColor: BlackSize: 25 * 2.6 cm/9.8" * 1.0"Net Weight: 72 g/0.16 lb/2.5 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: IPX7 Waterproof, USB ChargingPackage Size: 20x 7.15x 4.65cm