Meritline offers the Maxell Noise Canceling Foldable Stereo Headphones, in Black/Silver, model no. HP/NC-III, for $17.99. Apply coupon code "MLC509EN" to drop them to $9.99. With free shipping, that's a buck under our October mention and the lowest total price we could find by $11. They feature a 3.5mm jack, dual-prong in-flight adapter, and drawstring travel bag. Code expires after 200 uses.