Meritline offers the factory-refurbished Sony Wireless Noise-Reduction Headphones in Black, model no. MDR-RF970RK, for $45.99. Coupon code "MLC6G8AXNL1" cuts them to $35.99. With free shipping, that's $35 under the lowest total price we could find for a new unit, although we saw a refurbished pair for $1 less in April (since expired). These headphones feature 40mm drivers and a 150-foot range. A 90-day Sony warranty applies. Coupon ends after 300 uses.