Characteristics and Interoperability Redragon K552 Mechanical Gaming Keyboard for Windows PC: Black, 87 Key Blue Switches, RGB LED Backlighting, Wired with Anti-Dust Proof Switches This mechanical gaming keyboard has 87 keys and custom blue switches for increased durability and responsiveness. It provides crisp, precise tactile feedback for gaming and typing, as well as a clicky, medium resistance sound. RGB LED Mechanical Gaming Keyboard with Backlight nine distinct colors, five backlight brightness levels, breathing speed, and eighteen different RGB lighting modes. Keycaps with precise engineering that provide consistent, brilliant backlighting For the best gaming experience, all 87 of the keys have anti-ghosting and key rollover functionality. Twelve multimedia keys, a splash-proof, non-slip design, and an adjustable typing angle High-speed USB cable featuring a corrosion-free, gold-plated USB connector Durable Compact TKL Tenkeyless Ergonomic Computer Keyboard