I have intentions on creating a pair of completely wireless ear buds, no wires attaching the ear buds. My plan is to slice the ear buds off a pair of Apple ear buds and then taking the wires and attaching them to two bluetooth modules individually. I found this bluetooth chip/board: http://product.tdk.com/en/catalog/datasheets/sesub-pan-t2541_en.pdf
I am not really sure how I could get audio output from that chip but thats one of the biggest hurdles I have right now after figuring out how to power it all.