- Speed control at your fingertips: U increases speed, J decreases speed, with 5 adjustable speed levels to fit gaming or precise input tasks. - Plug and play USB keyboard: No software installation required; a great choice for PC and laptop use. - Built for durability: Designed for a longer service life with reliable performance over time. - Bright backlight with adjustable levels: The keyboard features a bright backlight; backlight brightness can be adjusted with O and L, offering 5 levels of brightness. - Compatible and practical: Works well with desktop PCs and laptops, suitable for gaming, work, and everyday use. - Practical usage scenarios: - Competitive PC gaming where quick speed adjustments can improve response times. - Long coding or data-entry sessions on a laptop or desktop, benefiting from stable, no-software setup. - Night-time or low-light setups where a bright backlight enhances visibility and readability.