eCost offers the refurbished Sony Wireless Noise-Reduction Headphones in Black, model no. MDRRF925RK, for $25.99 plus around $10 for shipping. That's the lowest total price we could find for another refurb by $7, outside of the price below. (We saw it for a buck less a month ago, since expired.) These headphones feature a 150-foot range and a 20Hz to 20kHz frequency response. Deal ends July 24.

No warranty information is supplied.

A close price: MacMall offers a refurb for $36.99 with free shipping.