1 Play music,with high-powered loudspeakers,long time play 
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