5 Keyboard Indicator Lights
Charging Indicator + Connection Mode + Operating System + Caps Lock + WIN Lock
Pressing and holding "FN" can check the connection mode and operating system of the keyboard
Charging Indicator: "FN+L_shfit" can switch the charging indicator light effect until it is turned off
Connection Mode: ~`=2.4g wireless mode, 1/2/3=BT1/BT2/BT3 mode OS: Q=Android, W=Windows, E=MAC, Switching through FN+Q/W/E
Note: If the WIN key or Alt key stops working properly, use FN+Q/W/E/R to switch to the correct OS mode.