https://blog.wongcw.com/2020/05/28/%e5%be%9e20%e5%88%b0200cm-%e8%98%8b%e6%9e%9cusb-c-to-lightning%e6%95%b8%e6%93%9a%e7%b7%9a%e5%bd%b1%e9%9f%bf%e5%85%85%e9%9b%bb%e6%80%a7%e8%83%bd%e5%97%8e/