They are cheaper and smaller than smartwatches. But what can fitness trackers do and which one is the best? IMTEST has found out.
Fitbit Charge 6
36.73 mm
Fitbit Luxe
17.50 mm
Garmin Vivosmart 5
10.50 mm
Xplora Xmove
42 mm
Garmin Vivofit 4
19 mm
