... music speaker 2.Micro SD card slot 3.FM radio 4.support USB driver 5. CE,FCC, RoHS certificate Nice design super slim usb ... speaker for MP3,MP4, MID, mobile phone, PC, notebook, etc.Features: 1. Metal case design 2. Super-Bass Voice3 ... -18Khz 5. Line-in:configure 3.5mm stereo's plugs Accessories: 1. USB Cable + User’s Manual+ Line-in Cable+lanyard super slim ...