1.Portable USB/SD radio boombox ,with CD/ MP3 player 2.AM/FM stereo radio 3.USB slot,earphone jack ... 2 Features1. Portable USB/SD radio boombox ,with CD/ MP3 player2. Compatible with CD/CD-R/CD-RW/MP3/WMA.3.Play/Pause, Stop,Skip, Repeat ... control(optional), power cable Portable USB/SD radio boombox ,with CD/MP3 player