Function: 10 Frequency VibrationColor: Black/Dark Purple/Dark Blue/AquaSize: 11.3 * 3.7 cm/4.4" * 1.4"Power: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/Wireless/APP ControlPackage Size: 27.5*11.3*5.8 CM