TigerDirect offers the factory-refurbished Sony Wireless Noise-Reduction Headphones in Black, model no. MDR-RF970RK, for $49.99. Coupon code "HYP67540" cuts it to $39.99. With free shipping, that's the lowest total price we could find for a refurb by $2, although we briefly saw it for $5 less ten days ago. These headphones feature 40mm drivers and a 150-foot range. Deal ends September 15. A 90-day Sony warranty applies.