2.1 Audio speaker 1. USB/SD WMA,PM3,MP4/5 Format. 2.Digital ... 30W+10W*2 Hot Selling USB/ SD 2.1CH audio speaker systemFeatures:1,USB/SD card support mp3/4/5 format, ... Connect with TV directly, or any other device of the audio frequency with output. 5, Key button with remote control ... Dimension:subwoofer:L200*W330*H370MM,satellite L110*W127*H200MM Packaging:1.Color box:374*240*477MM2. 2.Carton:735*386* ...