Function: 7 Frequency VibrationColor: Red/PurpleSize: 19.5 * 4 cm/7.7" * 1.6"Net Weight: 160 g/0.35 lb/5.6 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 22*8*4.2 CM