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Tips: Read carefully how to connect two Bluetooth devices together in two steps: A and B
A: The first Bluetooth, the Bluetooth of the app (Da Fit)
Step 1: Turn on the Bluetooth of the phone.
Step 2: Search "Da Fit" in the store or scan the QR code to download the app.
Step 3: Install the app and then follow the setup wizard.
Step 4: Go to the app and find the ZL54 binding (Please fully charge it when using for the first time)
B: The second Bluetooth, (answer/choice) Bluetooth connection function
Step 1: Slide the screen and turn on the switch for the "call" function.
Step 2: Open the "Settings" of the phone and enter the "Bluetooth" interface.
Step 3: Search "ZL54" and click "Connect".
Step 4: After connecting, you can make / receive calls with the watch.