Smart TFT Display & Metal Control KnobUpgrade your setup with a vivid TFT smart screen and precision knob for real-time control. Instantly adjust RGB, switch OS modes, check battery, or view date and connection statusall with visual feedback and intuitive tactile control. 75% Layout Hot-Swappable with Linear SwitchesThe space-saving 75% layout strikes a perfect balance between compactness and functionalityideal for gaming, work, or on-the-go typing. Equipped with hot-swappable sockets and custom linear gift switches for buttery-smooth keystrokes and ultra-fast response.Precision-tuned stabilizers deliver firm, rattle-free big keys with satisfying reboundideal for gamers and typists alike. Gasket Structure with Advanced Acoustic TuningBuilt with a soft gasket-mounted structure, the X820Ultra combines a 1.2mm FR4 fiberglass dual-layer PCB with individual switch slots for improved flex and keystroke uniformity. Paired with upgraded acoustic tuningPORON foam, IXPE pad, PET s