Why does the Aranet4 app ask for permission to access Bluetooth service on the phone?
The Aranet4 app needs this access because measurement data from Aranet4 device is sent to application via Bluetooth connection.
Bluetooth connection is also used:
1) to view and change device settings (measurement interval, buzzer settings, CO2 indication mode, Bluetooth range, Homey integration);
2) to start CO2 calibration on your Aranet4;
3) to update the device firmware version.
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