Newegg offers the Arctic Supra-Aural Folding Bluetooth Stereo Headset in Black, model no. P253BT, for $12.99 with free shipping. (Amazon offers it for the same price.) That's tied with our February mention and the lowest total price we could find by $7. This foldable headset features up to 30 hours of listening/talk time, a microphone, and a frequency response of 18Hz to 22kHz.