Custom LCD Keyboard for Personalized Display:YUNZII IF99 wireless mechanical keyboards features a customizable LCD screen that can display time, GIFs, photos, battery status, connection mode, and more. Personalize it with your favorite images, like pets or loved ones, to keep you motivated during work or gaming. Enjoy an added touch of personalization that sets your computer keyboard with screen apart QMK/VIA Custom Keyboard for Full Control:Compatible with QMK and VIA software, the IF99 custom mechanical keyboard allows easy customization via Windows and macOS. Modify key mappings, create custom shortcuts, adjust RGB lighting effects, and more with this open-source platform. Achieve a truly personalized typing experience tailored to your typing, programmiong or gaming needs Tri-Mode Connectivity & Long-lasting Battery:YUNZII IF99 wireless mechanical keyboard provides three connection methods, easily switch between BT5.0, 2.4GHz wireless, and USB-C wired modes. The Win / mac