Motorola H710 Black Bluetooth Headset for $26.99 shipped. Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical. This noise / echo reducing Bluetooth headset has supposedly made audio quality 25% clearer than previous models and the volume automatically adjusts itself based on surrounding noise. It has up to 6.5 hours of talk time and 8 days of standby time. As a comparison, Best Buy has this headset for $79.