Question about bluetooth hookup

[Key_Notes88]

I just bought a pioneer radio about a month ago, and I wanted to hookup my iPod touch to the stereo using bluetooth. However, it seems I would have to buy the Cd-BTB200, here, which is $142-$179.

I was wondering if there was an alternative way to hookup my itouch to my Car Stereo with Bluetooth. I noticed these bluetooth dongles, like this one, and I was wondering if they'll work, seeing as my radio has a usb input on it.

Any help would be greatly appreciated.

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