Vibrating Butt Plug with the same powerful motor as the Ultra Bullet! The Vibrating butt plug was built on 3 ideas.... Easy, Powerful and convenience to use. One button to push, 20 vibration modes of excitement, small, lightweight and fully submersible. USB rechargeable, Waterproof Dimensions: Length: 5.20" Insertable length: 4.58" Width: 4.25" Diameter: Top ball 1.30", Bottom ball 1.40"