SOLDAT S50B MARVO Soldat S50B | K638B – Gaming Keyboard Durable & Responsive – Membrane switch design with 10 million key lifespan for long-lasting performance. Compact & Functional – 98-key layout for essential functionality while saving space. Vibrant Mixed-Color Backlighting – Enhances gaming atmosphere with adjustable lighting effects. Reliable Performance – 19-key anti-ghosting ensures accurate inputs during intense gameplay.