USB slot on the front panel; auto play the MP3 files in USB' can connect with PC ,Mobile Phone , MP3 player,and iPod ,iPhone e

USB slot on the front panel;

auto play the MP3 files in USB

with class D Amplifier 5Wx2 ch THD 10%

3.5mm Aux in , can connect with PC ,Mobile Phone , MP3 player,and iPod ,iPhone etc

play/pause,next,prev,vol-,vol+ 5 keys

2.5"x2 speakers

with Power adaptors,DC 9V 1.5A

Many colors selection: blue/ yellow