Primo Super-Store via Amazon offers Prime members the SoundBot Bluetooth 4.0 Stereo Headset in Chrome, model no. SB220i, for $12.99 with free shipping. (Non-members can spend $35 to bag free shipping; otherwise, it adds $6.18.) That's the lowest total price we could find by $11. Features include 20Hz to 20kHz frequency response, microphone with up to 20 hours of talk time, foldable ear cups, and smart CVC echo and noise reduction.