Bluetooth for calls：support. Bluetooth version：5.1. Before use, scan the QR in the manual to download the APP and connect the watch through the APP. i6.7744zLIyzLIyth" style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; height: 6963.2px; position: absolute; top: 0px; visibility: hidden; width: 1000.5px; z-index: -1;">.
