EverybodyStore via eBay offers the Bluetooth Stereo In-Ear Stereo Headset in four colors (Black pictured), model no. HBS-800, for $22.80 with free shipping. That's $14 under our mention from a week ago and the lowest total price we've seen. (It's also a current low by $14.) It features ambient noise cancellation, Bluetooth 3.0, inline controls, and Google Voice actions.
Note: This item may take up to three weeks to arrive.