The connectivity group that is $170 is for the 730 radio since it already has Bluetooth built in. The more expensive one is for the 130 and 430 since they need Bluetooth module as well.
The heated seats can be ordered with cloth. I did that on my Sahara.
2013 JKU Sahara, Gecko Green, loaded up
10A Springs, Teraflex levling kit, 315/70/17 Duratracs, AEV Pintler wheels, front/rear bumpers and hood