I just tried to connect my stereo to my mac via bluetooth. However, my mac does not find the device. Is this expected? Which devices does OS X Mavericks support for bluetooth? Although bluetooth uses a common standard it does not necessarily mean that all devices that supports bluetooth are supported by any other bluetooth device.
It depends on your hardware.
You can click on the Apple Menu - then about this mac then support (in the tabs in the window) then lastly User Manual.
From there, you can know your model year and model. Most OS X macs support the following profiles: