Many smartwatches and fitness wristbands tested are truly multi-talented: they serve as heart rate monitors and altimeters, count steps, calculate the length of distances covered as well as calorie consumption and analyse sleep patterns. Some can also be used to play music, make phone calls or send and receive messages from messenger services such as Whatsapp...

Fitbit focuses on its strengths with the new watches: Fitness, health and battery life. Smart functions and music playback are missing. The Sense 2 is a good, enduring fitness companion, the Versa 4 was slightly off in the heart data.