1.Portable USB/SD radio boombox ,with CD/ MP3 player 2.AM/FM stereo radio 3.USB slot,earphone jack ... operation, AC 110V 60Hz or 220V 50Hz,DC 9V. Remark: Model H-883 can be also made into below CD versions ... desire:Option 1: CD+radio onlyOption 2: CD+MP3+radioOption 3:CD+MP3+USB+SD-Remote control is optional for above CD ... (optional), power cable Portable USB/SD radio boombox ,with CD/MP3 player