Features
● Portable battery box
● Built in  battery,can supply 3.5-4 hours.
● Electric guitar slot and  two wired microphones input and  one wireless microphones"
● With two wired microphones input            
● Support cd,cd-r,cd-rw ,cd+rw , jpeg,mp3,wma,mpeg4,divx versions 4 to 5 
● Usb/sd/mmc reader
● Guitar volume adj/mic volume adjustment
● Fm function
● External power 12v.
● Aux and av out function
● Single 7 segment equalizing regulation
● Pointer voltmeter

● Speak size:8inch*1 3inch*2
● Speaker impedance :8ohm*1  4ohm*2
● Speake consumption:10w*2 30w*1
● Battery:12v/12a and 12v/4.5a

Accessories 
A) remote control
B) power line
C) one wireless microphones
D) changer line
E) user manual"