https://blog.wongcw.com/2021/10/08/apple-watch-series-7%e4%bb%8a%e6%99%9a8%e9%bb%9e%e9%96%8b%e8%a8%82-%e5%90%84%e5%9e%8b%e8%99%9f%e5%94%ae%e5%83%b9%e6%8f%90%e5%89%8d%e6%9b%9d%e5%85%89/