Pump it up! This easy-to-use inflatable vibrating plug is ideal for those who enjoy a variety of vibrations. The Black, latex-covered 4 pump has a solid metal release valve and sturdy rubber bulb. A hand-held controller offers four different vibration speeds that can be adjusted with a simple push of the button. The plug should be inserted before inflation. Requires 2 AA batteries. - Length: 4.70 Inch.- Girth: 4.71 Inch.- Batteries: AA x 2.