MassDrop offers the MEElectronics Air-Fi Matrix2 Bluetooth Headphones, model no. HP-AF62-CF-MEE, for $71.99 with free shipping. That's $8 under our April mention and the lowest total price we could find today by $8, although most stores charge at least $94. Features include a built-in microphone, 22-hour battery life, and 20Hz to 20kHz frequency response. With Bluetooth 4.0, they are compatible with devices with a Bluetooth 2.1 or higher transmitter. Deal ends January 2.

Note: The expected shipping date is January 16.