Default Settings/ Factory Reset 

FN + Left CTRL + DEL (above the Home key) - In any paired mode, long press the key combination for 3 seconds to reset the keyboard. This would clear the keyboard's Bluetooth pairing profiles. 

FN + DEL - Specific for Mac, this key combination would invoke the Lock Screen function.  

FN + ESC - This would swap the F1 through F12 keys from the Hot Keys to Function keys 

F1 & F2 - Adjust Display Brightness; Lower Display Brightness, Raise Display Brightness 

F3 - Invoke Mission Control (Mac) 

F4 - Invoke Spotlight Search (Mac)

F5 & F6 - Adjust Keyboard Brightness; Lower Keyboard Brightness, Raise Keyboard Brightness 

F7/ F8/ F9 - Media Controls; Previous, Play/ Pause, Forward 

F10/ F11/ F12 - Volume Control; Mute, Lower Volume, Raise Volume 

Scissors - Screenshot Display 

Lightbulb - Change Backlight mode; Hold for 5 seconds to turn off backlight; 14 Backlight modes 

Keyboard Connectivity Modes

FN + 1 - Bluetooth Profile 1 

FN + 2 - Bluetooth Profile 2 

FN + 3 - USB-A Wireless Receiver 

FN + 4 - Wired Mode; When connected