Overstock.com offers the Sony H.ear Wireless Bluetooth Over-Ear Noise-Cancelling Headphones in Charcoal Black for $158.99 with free shipping. That's $20 under our mention from three weeks ago and the best price we've seen. (They're a low by $7 but most charge $198 and up.) These closed-back headphones feature Bluetooth 4.0, 40mm neodymium drivers, a 5Hz to 40kHz frequency response, built-in microphone, and built-in rechargeable Li-ion battery with up to six hours of play-time per charge.