BT300 Bluetooth USB Adapter: How to Pair to a Headset
How do I pair my BT300 Bluetooth USB adapter to my headset?
To pair your BT300 Bluetooth USB adapter to a headset:
Place your headset into pairing mode (click here for Plantronics headset pairing instructions).
Plug the BT300 into the USB port on your computer. The light on the BT300 flashes rapidly. When pairing is successful, the light on the BT300 becomes solid blue.