... and LAN-IN interface, LAN-IN interface interface external mp3, notebooks, MD, CD audio, etc.The four ... keys are more perfect.The audio part of a measured: 1.MP3 music format test SHE "fun" bit rate: ... pretty well. Although only support two formats MP3 and WMA, MP3 and WMA but also the most common format ... to most, can be maintained 50 hours 4 hours had no electricity, still the ideal performance. It's ...