Silicon Valley Deals via Amazon offers the Velodyne vQuiet Over-Ear Noise-Canceling Headphones in Black for $59.99. Coupon code "6KG3JIHX" drops that to $29.99. With free shipping, that's $16 below our mention from five days ago and the lowest total price we've seen. (They're a current best by $50.) They feature 40mm custom voiced drivers, up to 90% noise cancellation, bypass button that mutes sound and disables noise cancellation, folding design, and 3.5mm jack.