Yugster offers the Sol Republic Relays Earbuds in Black, model no. 1151-31, for $34.97. Coupon code "FreeYugBuck" cuts it to $33.97. With $5 for shipping, that's the lowest total price we could find by $11, aside from the mention below. They feature an i5 sound engine, four sizes of ear tips, 1-button remote for iOS devices, and microphone. Note that the countdown timer on the product page does not reflect an actual expiration time and resets daily.

A close price: Target sells them for $40 with free shipping.