Connect and get data from ELD device (electronic logging device) to the mobile app. Androi

We have a mobile app written in kotlin. You just need to connect ELD device through Bluetooth to the app and get data from the device and send it to the backend through socket.io. Please apply only if you have experience with this device. Search for google to get more info about ELD devices. I will attach the photos of the device. These two models of the device we need to connect and get info from.