2、With line in function,can switch-in Notebook PC,MP3,MP4, 
  Ipnone etc.. 
3、Build-in stereo FM radio 
4、Using new technology Class D,Nice acoustic fidelity 
5、Full function All in One port design,All external using 
  single port 
6、Full function LED pilot lamp 
7、Hi-speed USB2.0 
8、Speaker Output:THD+N=0.15% @ 1.5W    
 SNR=94db @ 1.5W,using Japen original material 
9、Earphone output:THD+N=0.6% @ 32Ω SNR = 92 db @ 32Ω