Razer DeathStalker V2 USB Wired RGB Opto Mechanical Keyboard in Black (QWERTY UK) Operating system installed___ChromeOS Blue Light Filter Radiation from Blue Light Filter Radiation from the blue violet light spectrum is harmful to our eyes and demanding engineering applications Keyboard Built in memory Yes Rollover N key rollover Multimedia keys Yes Programmable hot keys Yes Hot keys Yes Windows keys Yes Keyboard key profile Low profile Keyboard keys operating life 70 million characters Keyboard key switch technology Razer Linear Optical Red Keycaps material Acrylonitrile butadiene styrene (ABS) Numeric keypad Yes Keyboard form factor Full size (100%) Pointing device No Keyboard language UK English Keyboard layout QWERTY Keyboard key switch Optical key switch Device interface USB Recommended usage Gaming Design LED indicators Yes Material Aluminium Surface coloration Monochromatic Product colour Black Keyboard style Straight Backlight colour Multicolour Backlight type RGB LED Backlight Yes Features Detachable cable Yes USB connector type USB Type C Power Power source type USB Mouse Mouse included No Packaging data Number of products included 1 pc(s) Low Profile