Firstly, we go to the qr code in the watch and use the camera to scan this qr code. Then we can go to the link to download. Also, we can search in the apple store and the app is fit fly after download. Then we can set the step after download the app we can go to the bluetooth setting in the phone and enable the bluetooth setting, and then we go to the bluetooth connection in the watch and click search, new device. And now we can see this is the bluetooth parent request. We click pair and now the watch is connected in the phone and then we need to go to the feed fly app and go to the device and click to search. And now we can see the fk88 pro is in the search result and we click to appear and now again there will be a brutus parent request. We also click pair and allow the fk88 pro to display iphone notification. Allow so now the watch is connected with the phone successfully and we can see there are two bt device in the bluetooth setting in the phone and after we click inside. We need to enable the show notification and the second contact. Then we can go to the phone book in the watch and click to sit on it, and now we can see the contact as i connect from the phone to the watch and then let’s check the functions in the app.