Give plug-n-play a whole new meaning with this USB-powered pleasure device. This travel accessory is easy-to-use, perfect for beginners, TSA-approved, and eco-friendly. There’s no need for batteries – just plug it into the USB port in your computer, car, or cell phone plug and you’re ready for fun! The super strong vibrations will tease and please. The kegel balls are perfect for vaginal strengthening and stimulation, and can intensify orgasms and tone pelvic floor muscles. Each ball has its own powerful vibrating motor. Ball width is 1.3 in.