1. First you need to download the Software in your device which you want to pair out with smartphone.
Download For Windows
Download For Mac OS
Download For Android
Download For iPhone
2. Now launch the program in your windows and you will see screen like below.
3. Now there click on Options there and set the
settings
4. After selecting all the options click on ok.
5. Now select the setup a key there and the select the QR code method to verify your key there.
6. Now download the mobile app from the above link and scan the QR code from that app displaying on the screen and your mobile will detect your PC.