No power source? No problem. Interchangeable adapter fits most cell phones and other devices, then recharges through computer or other power source via USB connector. You can charge your cell phone and other portable electronics on the go - no power outlet needed! Includes one USB cable and five connectors. 3 1/2 L x 3/4 diam. Plastic. Imported. Not compatible with the iPhone 5 or 6. Not available in Alaska, Hawaii, Guam or Saipan.Cell phone not included.