... loudspeaker with built-in USB and SD card reader, read MP3 music format2. volume, bass, treble control3. loudspeaker adapt to computer ... , laptop, DVD, VCD, CD, MP3, TV, mobile phone and other audio input Accessaries:stereo audio ... 3. Loudspeaker with new concept integral stereo portable mobile music, connecting your MP3,CD, DVD, PSP, mobile phone, notebook computer.4 ...