Digital usb speaker

Key Attributes.

?three kinds of power supply:4pcs AAA battery; computer USB; wall adaptor:DC5V ?output:RMS 6W/(3W+3W)THD=10%;150-18000Hz(+/-3db) ?line input=3.5mm stereo plug ?ipad and iphone can be put directlt into the top of unit for playing music and charging ?can use "line in" universal on the rear to play device and ipod device ?write to:cina#zstaison.com ?CE, RoHS accepted