Multifunction Knob
The knob and the keys M1/M2/M3 on the upper right have multimedia functions (Volume +/Volume-/Mute/Previous /Next/Play/Pause) to help you quickly call out the functions you need. In addition, the keyboard also has a "FN + keys" multimedia shortcut combination, which can quickly open multiple functions, such as "FN+F1=My Computer" "FN+F3=Calculator". Wide Compatibility: support computer system including Windows 10, Windows 8, Windows 7, Mac OS X, Windows XP, Windows VISTA, MAC etc.