http://www.slingcommunity.com/forum/thread/16960/Slingin--with-a-Bluetooth-Headset-FINALLY/

Here's a thread discussing this just a couple days ago..  Usually you can find what you're looking for with some basic searching.  There are some other threads on this too.   Search for bluetooth headset..

Slinging Tivo Series 2, Tivo HD, and TW cable from a Pro. Slinging Tivo HD from a Solo, Slinging Humax DRT800, and TW cable from a Classic to Sprint Mogul, AT&T SX66, N62, 8525, and Dell Inspiron 8600 with Sprint EVDO over Windstream DSL.