<b>Simple three-step synchronization of watch and phone.</b><br><br> 1. Download the app named “GloryFit” by scanning the QR code or going to the app store;<br> 2. Open GloryFit--device--select bracelet; <br>3. Click the model F13 that appears in the list.<br><br> <b>Specifications: </b><br>Screen size： 1.3 inch color screen<br> Screen type： IPS HD TFT <br>Control mode: full-screen touch <br>Bluetooth： 5.0 <br>Waterproof： IP67 <br>Appearance material： Environmental protection TPU <br>Working time：5-10 days <br>Charging time： 1-2h <br>Standby time： 30 days<br><br> <b>Packing list：</b><br> Watch*1, <br>charging cable*1,<br> instruction manual*1, <br>service card*1