Wearable

In color. The update of the well-known fitness tracker doesn't turn out small. In the Charge 5, Fitbit replaces the outdated monochrome OLED of the predecessor with a color version, removes the button on the side, and expands several functions for health monitoring.
Update: ECG and Daily Readiness Score are available at this point.
1.04"

Fast charging as the star feature. The Apple Watch 7 is mainly distinguished by a larger display without much of an increase in the watch size. The Californians have also equipped it with a fast charge function, but this is as far as the improvements for the newest Apple smartwatch go. Find out in our test, for whom the changes might still be worthwhile.
Apple S7 | 1.61" | 32 g

Ultra what? The little word Ultra distinguishes the TicWatch Pro 3 Ultra GPS from its predecessor by name. One would like to assume ultra-long runtimes behind it, but it does not affect the smartwatch's endurance. Mobvoi has improved the robust casing, the sensor set and the health features. Update 20.10.21: Mobvoi has informed us that the compass function will have to be deactivated from November until further notice; the reason given is compatibility problems.
Qualcomm Snapdragon Wear 4100 | 1.39" | 41 g

The spec of active noise cancellation (ANC) in truly wireless or TWS earbuds is getting more common. TaoTronics now claims to offer it in its SoundLiberty Pro P10 accessories. Can it possibly match up to headphones one might specfically buy to block unwanted sound?