Multimedia speaker 1, 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 format, can add wma format, vedio play.2,Can do vedio display,directly connect tv play.3,Connect with TV directly, or any other device of the audio frequency with output. 4, Key button with remote control is ...