It doesn't work with this build. In fact, it shouldn't be considered stable' at this point.
If you want BT to work first you need to root the device (check FAQ on first page), then download any terminal emulator from Play Store. Then type:
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service