ASUS USB-BT211 Bluetooth USB Mini Adapter $2 at Newegg

Back in stock. Newegg has the ASUS USB-BT211 Bluetooth USB Mini Adapter for $13 - $8 off with coupon code EMCNGJG77 [Exp 3/19] - $5 rebate [Exp 3/31] + $2 shipping = $2 shipped. This dongle is so small, it barely dongles out from your USB port.