1. The owner can unplug and plug in the etc card, and repeat this operation twice in a row. The screen of the etc device will automatically light up, and the owner can see the Bluetooth indicator on the etc screen.

2. Then scan the QR code on the etc with your mobile phone and download the app associated with the etc device. After the installation is completed, enter the device activation page in the app.

3. Turn on the Bluetooth function of the mobile phone, search for the name of the etc device, and then connect the mobile phone with the etc device.