Activate second function of combination keys (except arrow keys). Press again to restore the 9 keys' (Y, U, I, H, J, K, N, M, <) main function, but other combination keys will still use their second function. Press Fn + Ctrl third time to restore combination keys' main function

Use arrow keys' second function. Press again to restore original function

Switch wired / Bluetooth mode

(hold for 3 seconds) Enter pairing mode

Switch Bluetooth device

Switch backlight mode

Control the brightness of backlight

Control the speed of backlight

Enable / Disable Win key

` ~

F1

F2

F3

F4

F5

F6

F7

F8

F9

F10

F11

F12

Del

PrintScreen

Scroll Lock

Pause

Insert

Home

Page Up

Del

End

Page Down

/ ? (To type "?", you must press FN + Shift + /)

Alt

Context Menu

Ctrl