Power Supply Ac / Dc Adapter Battery Charger with Round Jack Plug Fits 7" & 9" Matrix Supersonic C-74jb Sc-72jb Sc-91jb Sc-90jb MID Sc-72mid Sc-74mid Sc-90mid Sc-91mid Charger for Tablet PC MID eReader 100% Brand new & high quality With output voltage of DC 5V. Brand name: OXDOZER 2.8 feet long