Today only, All4Cellular offers these Apple Earphones with Remote and Mic in White, model no. MB770G/A, for $9.95. Coupon code "A4C5A6" cuts it to $9.45. With $2 for shipping, that's the lowest total price we could find by $3 (outside of the price below), although we saw them for $4 less four weeks ago (since expired). These earphones feature a 3.5mm connector, in-line microphone, and integrated remote.

A close price: DBROTH via Amazon has it for $8.16 with $2.98 shipping.