Apple Watch - Apple Watch build with NextJS (ReactJS) & TailwindCSSGitHub repo: https://github.com/VishwaGauravIn/apple-watch
Fitbit Blaze - Fitbit Blaze is a smartwatch that includes both a heart rate monitor and a fitness activity tracker. It comes with a color touchscreen, and you can change both the watch's strap and frame. Read more about Fitbit Blaze.
Apple Watch Series 3 - Apple's newest internet-connected smartwatch
Polar M430 - The M430 is a great watch for multi-sport athletes who'd like to track their day-to-day fitness metrics, monitor their sleep and heart rate.
WHOOP Strap - The world's most powerful training and recovery tool
TomTom Spark 3 - The Spark 3 is a good fitness tracker for triathletes. It also features a unique and very simple-to-use tracking system. If you're prepared to pay extra, you can get a model with a heart rate monitor and music playback.