All of the standard smartwatch features are available, but this version also includes SWD pins on the back, and additionally has support for Bangle.js and can run some of the apps from the app loader.
It's 100% free with your purchase. The Health Smartwatch 4 is available on the Spade and Co website for $79.99. It also comes with a 30-day money-back guarantee in case it's not a good fit for you.
Amazon shoppers don't need to spend a fortune to join the smartwatch community. Big brands like Apple, Samsung and Fitbit dominate the market, but other companies create similar tech for less.