5 1 Home theater speaker systems 1,RMS:45W+10W*5 2,USB/SD card can play mp3/4/5,wma format 3,Key button With ... remote control USB/ SD,FM Remote New 5.1 Home Theater Speaker System Features:1. Built-in USB and SD memory card function ... , Support MP3 music format,it can add wma & mp4/5 format ...