Yellow: Sub out
Not Equal: Everything in this space must be different. The answer is 2-2, placed horizontally; 4-4, placed vertically; 0-0, placed vertically.
。快连下载安装对此有专业解读
（三）未经批准设置无线电广播电台、通信基站等无线电台（站）的，或者非法使用、占用无线电频率，从事违法活动的。
This Qi2 MagSafe power bank has a built-in USB-C cable and can top off up to three devices at once.