【Mechanical Blue Switches】Professional mechanical blue switches provide fast and precise keystrokes for a pleasant user experience. The tactile finger bump and unique audible click are addictive. 【Cute Retro & Ergonomic Design】Using simple line and retro round keys like typewriter style. The thick tube body size is suitable for desktop use and also for laptop use. The large round keycap fits easily in your hands to prevent fatigue. Ergonomic spring-type design, cares for your wrist 【LCD Display】The screen is designed with a 15° tilting screen for optimal field of view and stability. It is convenient and comfortable to calculate and read the screen. It will automatically shut off after 7 minutes of non-use, saving power and electricity