As one of its daily deals, Tech Woot offers the MEElectronics NoiseSHIELD NS63 Active Noise Canceling Headphones, model no. HP-NS63-BK-MEE, for $49.99 plus $5 for shipping. That's the lowest total price we could find by $35. These headphones feature 40mm cobalt magnet dynamic drivers, 20Hz to 20kHz frequency response, and require two AAA batteries (not included). Deal ends today.