Yugster offers the Jabra Sport Corded Over-the-Ear Headset in Black/Yellow, model no. 100-55400000-02, for $9.97. Coupon code "FreeYugBuck" cuts it to $8.97. With $3 for shipping, that's the lowest total price we could find by $3. Features include an in-line control box, phone adapter, and military-grade rain, dust, and shock protection. It comes with an extension cable and carrying case.
Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.