https://blog.wongcw.com/2020/02/03/%e5%b0%8f%e7%b1%b3poco-x2%e6%98%8e%e5%a4%a9%e7%99%bc%e5%b8%83%ef%bc%9a120hz%e5%b1%8f-4500mah%e9%9b%bb%e6%b1%a0/