2.1 home theater with usb fm, 1.USB,SD/MMC,FM,remote control+VFD,karaoke 2.Adapts ... devices 3.Passed FCC,CE 2.1 home theater with usb fm usb,1.USB,SD/MMC,FM,remote control+VFD,karaoke2.Adapts ... devices3.Passed FCC,CE Commodity:2.1 home theater with usb fm-AS-T004 Output(RMS):25W+W*2S/N ... volume, bass, treble control3. 2.1 home theater adapts to computer, laptop, DVD, VCD, CD, MP3, TV, mobile phone and ...