SteelSeries USB Apex 5 Hybrid Mechanical Gaming Keyboard – Per-Key RGB Illumination – Aircraft Grade Aluminum Alloy Frame – OLED Smart Display (Hybrid Blue Switch): Hybrid Mechanical Gaming SwitchesThe combined smoothness of a membrane switch and the added durability, performance, and satisfying tactile click of a blue mechanical switch, so you don’t have to choose one over the other.OLED Smart DisplayCustomize the OLED screen with your favorite gifs, view on