Default FM transmitter for usb mini port

http://www.blueunplugged.com/p.aspx?p=135842
Does it works for our Touch2?
Quote:
Play the music of your mobile / PDA, enjoy it through the car stereo.
if anybody tried, how it works? sound is going through usb instead of mini jack? nothing to install or set on pda?
SE Xperia Pro