The black vibrating butt plug has a tapered tip for easy insertion. The shape has a variation in size. The anal plug has multiple vibration speeds, which can be controlled with the remote control. The vibrating butt plug has a Memory Function, which remembers the most used vibration mode for you. Waterproof USB rechargeable 12 powerful vibration modes Memory function On and off button on the bottom Remote control 1 x AAA battery Made of siliconeLength: 5 InchesWashing: Hot soapy water and toy cleanerInsertable: 1 to 5 inchesDiameter: 1.2 InchesColour: BlackFlexibility: FirmController: RemoteFor Who: BothFeatures: Memory FunctionMaterial: SiliconeBrand: Various Toy BrandsPower: USB Rechargeable and 1AAASize: 5 Inches