Newegg offers the Arctic Supra-Aural Folding Bluetooth Stereo Headset in Black, model no. P253BT, for $10 with free shipping. That's $1 under our February mention and the lowest total price we've seen. (It's the best deal now by $11.) This foldable headset features up to 30 hours of listening/talk time, a microphone, and a frequency response of 18Hz to 22kHz.