Multimedia Speaker with FM, Speaker 1.Output Power:20W 2.Impedance:4 ohm 3. ... , computer speaker, multimedia speaker, iphone speaker, USB speaker, MP3 speaker, mini speaker, speaker, home theatre speaker,portable speaker,bluetooth speaker, vibration ... *78*170mm (mm) Function:USB/SD card reader, Remote Control, FM function. Karaoker Function,LED screen, customer can option Packing :Colorbox ...