Connecting JBL Flip to Windows 7 Bluetooth speaker

First Check under device manager, any devices pending under Other devices for Port link

If yes, click on that and select Update Driver
Select Browse from my computer
select Let me pick from a list
Select the Port option
Select Microsoft as Manufacture, then next

Do do for all the devices unidentified

Then Go to Add device
Select the Bluetooth headset icon
Then next
Pair with Device using device code
here the code is 0000

Next, it will add the device