Plantronics Voyager 520 Bluetooth Headset for $22.99 shipped after promo code EMCJKHK69.  Here is a screenshot for reference.  It features a noise-canceling microphone and wind screen, along with the ability to switch between two Bluetooth phones.  It comes with the headset unit, a charging cradle, ear tip, and ear loop.  Most places have it for about $30.