this link should let you while awy the hours discovering new and even more useless wearables products (as well as the more useful ones that we buy)https://vandrico.com/wearables/
Looking at each device gives a neat view with some suggestions for similar products

Last Updated on 5 July 2019 by the5krunner

tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors.