Weird humming noise comes from the elctro-luminescent material used to generate the light. The hum is the same frequency as the instability in the power supply to the keyboard (usually 50 or 60Hz).
Seriously though, do you need a bling bling keyboard? You press keys, letters appear on the screen. Who needs more than that?
Seriously though, do you need a bling bling keyboard? You press keys, letters appear on the screen. Who needs more than that?