To perform a reset for the SM1 Slim Mechanical Backlit Bluetooth Keyboard, with the keyboard turned on, press and hold the FN + Left Ctrl + DEL keys (located right above the home key) for 3-5 seconds - The backlight will shut off followed by the backlight flashing 3x confirming a successful reset. 

Note: This action will reset all settings, and the keyboard will need to be paired again.