All4Cellular offers the Skullcandy Full Metal Jacket In-Ear Headphones with Microphone, model no. S2FMBZ-BZ, in Black for $19.95. Coupon code "A4C2012" drops it to $17.56. With $2 for shipping, that's tied with our February mention as the lowest total price we could find, now by $4. They feature 11mm drivers, frequency response of 16Hz to 20kHz, in-line microphone, and more. Coupon expires December 13.