https://blog.wongcw.com/2021/10/29/%e9%a6%96%e7%99%bc349%e5%85%83%ef%bc%81-redmi-watch-2%e7%99%bc%e4%bd%88%ef%bc%9a%e5%8d%87%e7%b4%9aamoled%e5%b1%8f/