Power supply:AAx4  DC 6V                              

speaker: 4ohm 6W*2+ 10Wx1

Frequency respond: satellite 50-20KHZ                            

Isolation: 60dB,S/N: 70dB                                                        

2.1CH digital music center,

built-in speaker

with remote control,LCD display,FM/Clock/Alarm/Sleep function,MP3/WMA play back via USB or SD/MMC/MS card,can be work for iphone3G,ipod nano4,mp3/4/pc

giftbox: 17*17*6CM 

Carton: 49*42*33CM/20PCS 15/16KGS