iSex USB Nipple Clamp White gives 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 eco-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 />Features nipple clamps: adjustable tension screw for just the right squeeze. Soft rubber liners. Powerful vibrating bullet. No batteries required, just plug and play. Works in any USB port. The ultimate online accessory. Perfect for first timers. Bullet length 2.25 inches, width: .5 inch. Phthalates free. Battery information:requires rechargeable through USB batteries, not included. Materials Metal, PVC, ABS Plastic.