Function: 10 Frequency Vibration Inflatable Anal PlugColor: BlackSize: 8.3 * 2.7 cm/3.27 * 1.06 inchMax Dia: 4.9 cm/1.93 inchTube: 63.0 cm/24.82 inchPower: Lithium batteryMaterial: Silicone + ABSPackage: Color Box/OPP BagFurther: Waterproof/Wireless Control