As one of its daily deals, Tech Woot offers the factory-refurbished Klipsch Mode M40 Noise Cancelling Headphones for $149.99 plus $5 for shipping. That's $194 under the lowest total price we could find for a new unit. They feature dual drivers, 20Hz to 20kHz frequency response, 40mm drivers, 3-button controller cable, and more. They require one AAA battery (included). A 90-day Klipsch warranty applies. Deal ends today.