top-kebo via eBay offers the Tacoon Qy7 Wireless Stereo Headphones in seven colors for $8.57 with free shipping. That's $6 under our mention from two weeks ago and the lowest total price we've seen. (It's a current low by $4.) They feature an 85mAh rechargeable battery, onboard controls, and Bluetooth 4.1.

Note: Allow two to four weeks for delivery.