Lenovo offers its Lenovo P950 Headset with Noise-Canceling Microphone, model no. 57Y6605, for $29.99. Coupon code "BFCM6605" cuts it to $9.99. With free shipping, that's tied with our September mention as the lowest total price we've seen. (It's also a current price low by $10.) It features a noise-canceling microphone, 27mm drivers, and 125Hz to 20kHz frequency response. Deal ends December 11.

Note: It's listed as shipping in "more than four weeks".