Q:

Bluetooth audio stream to commercial headset

I would to connect my simple audio player (Arduino + https://www.sparkfun.com/products/11125 ) to a Bluetooth headset you can buy at the market.
How can I do ? Is it possible ?

A:

Did you look at this module also on spark fun?
It has an embedded stack you just configure over its serial interface.

Description: This RN-52 Bluetooth from Roving Network is an audio
  module that provides a highly integrated solution for delivering high
  quality stereo audio in a small form factor with little difficulty.
  This module is perfect for a project involving hands free audio for
  your car, remote controlling your media center, or streaming 2-channel
  audio.

