1. Download Starfit APP and complete registration.
2. Click on 'Account' and find 'My Devices'.
3. Click on the '+' in the upper right corner, then click on the 'Bluetooth' logo on the page to search for smart devices.
4. When you find 'Runstar-RX' (Bluetooth name of scale), click to complete the connection.
At this point, a connected logo will appear on the screen of the scale.