usb/sd portable mini speaker ,usb speaker,portable speaker,computer speaker,mp3,mp4 speaker,phone speaker usb/sd portable mini speaker ,usb speaker,portable speaker,computer speaker,mp3,mp4 speaker,phone speaker Description: ·A new concept multi-function active sound system, support U disk / Mini SD /MMC card·Support the language of 24 countries·Support MP3/MIDI/WMA/WAV a variety of music formats ...