Garmin Vívofit Jr. 2

When comparing these two activity trackers, the most notable difference is their width, with the newer model being slimmer at 13mm, compared to 22.8mm. This could make it a more comfortable fit for certain users. Although both models maintain strong water resistance and a full year of battery life, the older version offers a more robust feature set, including features like a calorie counter, touchscreen, and speedometer, which are missing in the newer variant. However, the range of colors available in the latest model has expanded, potentially appealing to individuals looking for more personalization options. Both versions are equally compatible with a variety of devices and cater well to kid-specific needs with similar fundamental features like sleep reading and a clock.