Meritline offers the factory-refurbished Sony Noise Canceling Foldable Stereo Headphones, model no. MDR-NC7, for $21.99. Coupon code " MLC6AT5UNL1" cuts it to $16.99. With free shipping, that's $12 under the best price we could find for a new pair, although we saw a refurbished pair for a buck less in March (since expired). Features include a foldable and swivel design, ambient noise reduction of 87.4%, airplane adapter, and more. One AAA battery is required (not included). A 90-day Sony warranty applies. Coupon expires after 300 uses.