Apple Watch Series 4 includes a bigger display and a built-in EKG scanner

Apple Watch Series 4 includes a bigger display and a built-in EKG scannerhttps://www.theverge.com/2018/9/12/17847086/new-apple-watch-series-4-price-features-release-date-2018
https://www.worlds50.com/2018/09/apple-watch-series-4-includes-bigger.html