... 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 ... 1CH home theatre with remote controller 1,Output power:45W+10W*5(RMS)2,Speaker driver:woofer5.25inch,satellite3inch*53, ...