... , RMS:30W+10W*2 2, USB/SD, FM,Vedio 3, Digital tube display screen 4, Key button with remote control ... 2.1 Ch USB multimedia SpeakerFeatures1,USB/SD card support mp3/4/5 ... play.2,Can do vedio display,directly connect tv play.3,Connect with TV directly, or any other device of ... ,Quantity:651sets/20gp,1116sets/40ft,1581sets/40HQ 2.1 Ch USB multimedia Speaker