I just got a Zumo so I'm selling my old setup, works great, nothing wrong with it, the 765T plays blue tooth in stereo, built in mp3 player for your tunes.
specs here:
https://buy.garmin.com/shop/shop.do?pID=14926 I'm including the 765T, a 16G SD card to put your music on, holding cradle with ram ball on back, 6" ram arm, 12" powerlet mini USB with 4" extension, and a new never used ram mount for your handle bar.
$100 shipped to domestic USA, paypal only.
Let me know if you have any questions... What you see in this pic is what you get.