New RGB Interface - The new interface allows you to now customize the RGB lighting via software while still being able to customize it manually without software on the physical keyboard New Backlighting effects - With the upgraded RGB interface the software now opens up more possibilities for lighting effects including support with Razers Chroma broadcasting system! Genuine Cherry MX Silent RED Switches - Sometimes refered to as MX pinks these linear switches replicate those of MX reds but with a minute silicone injection to reduce sound where the stems meets the housing within the switch.