iSex USB Kegel Balls give plug and play a whole new meaning with this incredible collection of portable USB powered pleasure devices. All iSex travel accessories are easy to use, perfect for beginners, TSA approved, and ecologically friendly. There is no need for batteries, just plug an iSex device into the USB port in your computer, car, or cell phone plug and you are ready for fun! The super strong vibrations will tease and please, and best of all, no one will know your little secret. They are great for college students, long distance video chats, solo stroking sessions, office rendezvous, road trips, and any other time you need plug and play satisfaction! <br /><br />Kegel Balls features: perfect for vaginal strengthening and stimulation. Intensify orgasms and tone pelvic floor muscles. 2 powerful vibrating motors. No batteries required, just plug and play. Works in any USB port. The ultimate online accessory. Perfect for first timers. Ball width 1.3 inches. ABS Plastic. Charged by USB port, rechargeable batteries not included.