... MAUK2), USB power portable speaker with FM Radio, Support TF(Micro SD) Card, USB Flash Disk1) FM Radio, can search the channel automatically ... connect this unit to other MP3 players. 4) Portable music system compatible with MP3, MP4, Mobile Phone, Computer, iPod,PDA, etc ... traveling * Specifications: 1) Portable Speaker + Card Reader + FM Radio 2) Frequency Response: 150 -18000Hz 3) Rated Power: RMS 6W ...