Asus USB-BT211 USB 2.0 Mini Bluetooth Dongle for $7.99 with this $5 rebate. Shipping is $1.99 for a total of $9.98 shipped. Here is a screenshot before the $5 rebate for your reference. It features up to 3.0Mbps transfer rate and up to 100-meter range in free space. Alternatively, it is also available at Amazon for $7.99 with free shipping on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping.Most places have this mini Bluetooth dongle for about $16.
This deal has expired as it is now out of stock. Congratulations to those able to get in on it.