Campus111 via eBay offers this QY7 Wireless Bluetooth Headset
in Blue for $8.99
with free shipping
. That's $4 off and the lowest total price we could find, although we saw a similar pair for $2 less last November. Features include Bluetooth 4.1 with a 33-foot range, noise reduction, six hours of music time, and USB charging cable.
Of note, they're available in four more colors for $9.49 with free shipping.