This black butt plug made of smooth, sturdy and flexible silicone contains rotating beads that stimulate the nerve endings, there are 4 functions available for the beads. The tip is a vibrator and has 12 different positions to choose from. You use the remote control for both functions. The vibrating butt plug has a Memory Function, which remembers the most used vibration mode for you.Waterproof USB rechargeable 12 powerful vibration modes 4 functions for the rotating beads Memory function Remote control Suction pad Can also be used in the shower Made of siliconeLength: 5 InchesWashing: Hot soapy water and toy cleanerInsertable: 1 to 5 inchesDiameter: 1.3 InchesColour: BlackFlexibility: FirmController: RemoteFor Who: BothFeatures: 4 Rotation FunctionsMaterial: SiliconeBrand: Various Toy BrandsPower: USB Rechargeable and 1AAASize: 5 Inches