If it is not possible to establish a connection via the USB Bluetooth dongle, please proceed as follows:
- Reinstall the app
- Restart your smartphone or tablet
- Reconnect the USB Bluetooth dongle with the device
The following operating systems are supported:
- Android 5.0 or higher with Bluetooth Low Energy interface
- iOS 9.0 or higher with Bluetooth Low Energy interface
Furthermore ensure, that your device has full access rights to the Bluetooth interface. Current Android devices also need access to the location services.