But keep in mind that depending upon your specific model of Bluetooth headphones, you may only be able to connect it to one device at a time. You can pair your Bluetooth headphones with multiple devices, like your smartphone and PC. You can click 'Done' and close the Settings window. After the connection is complete, you'll see a message indicating the headphones are connected to the PC. More often than not, if a passcode is used at all, it's just 0000 (four zeros).ġ0. If you see a passcode request, enter the code from the headphone's user guide. Depending upon the headphones, they will either connect right away, or you might need to enter a Bluetooth passcode in Windows. Click the name of the headphones when you see it show up in the list.ĩ.