If you are not too keen on those Bluetooth headsets then you could build your self a bluetooth banana phone. You need to buy your self a fake banana from a craft store as well as a few other bits and pieces. You then cut up the banana to squeeze a microphone and speaker in there along with some other bits and pieces and you have your self a fully working banana Bluetooth handset. If anyone wants to make one of these then follow the instructions linked after the jump and feel free to post your efforts and I will link back to you. Heck, I might even give away a prize if you do that.
The instructions can be found over at instructables and come with photos of what to do.
Via: instructables