I have a smart phone and I have been wanting to use it as a music device. I purchased a Motorola device, but lets just say it left some things to be desired. It sucked. I found this link a few weeks back:
$21.95 shipped? Must be junk right? I love it! The simple little 3 button interface is great: volume - up and down, and a big button used for power and to accept/terminate incoming calls. The in-ear design is comfortable and the sound is pretty good.