Aria2 does not display lean body mass in the daily log. There is a difficult to read graph which attempts to show bodyweight, lean body mass and fat mass. Fat mass is in the same colour as the graph’s background, so you can’t actually see it.
Fitbit website and the box it came in suggest that it will show weight, lean mass, body fat and bmi, but lean mass is hidden in that poor graph.
It would be more helpful to show lean body mass in the daily log, so you can get quick feedback on how weight and lean body mass measure each day. Other smart scales do this.
I guess I’ll go get one of those.
Naughty of Fitbit to advertise on the web and on the box that the Aria2 will display lean body mass, when it doesn’t display any more than the old scale.
Moderator edit: format
