BuyDig offers the Audio Technica Sport Fit In-Ear Headphones, model no. ATH-CP300BK, for $21.95. Coupon code "JAM10" drops it to $11.95. With free shipping, that's the lowest total price we could find by $13. They feature 13.5mm drivers, frequency response of 10Hz to 22kHz, cable clip attachment, and more. Deal ends December 28.