Product description The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. K727 Mechanical Keyboard Merchant Video 1 Gasket Mounted Stucture 2 Hot Swappable 3 Tri-Mode Connection 4 Pro Software 5 16.8M RGB Backlit 1 Visible Durability 2 60% Compact 3 Multifunction Metal Knob 4 Auto Power Saving 1 FN Hotkeys 2 Double shot PBT Keycaps 3 Wired&Wireless Connection 4 Customizable Backlit Why do the numbers keys stop working? Simply double click the Fn key and it will allow you to use the number keys. Double-press the FN Key, change the number keys: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, -, =, to F1-F12 Does it compatible with Mac OS? No, it is not fully compatible with Mac OS. Software doesnt work with mac. Gasket-Mounted Design for Premium Typing Experience: Engineered with a gasket structure and extended integrated silicone pad, this keyboard delivers a soft, elastic typing feel with enhanced stability. The PCB single-key slotting optimizes resilience, ensuring every keystroke is smooth and responsive. Four layers of sound-dampening material fill the gaps between the PCB, positioning plate, and switches, effectively reducing cavity noise and creating a solid, satisfying typing sound—ideal for both quiet workspaces and immersive gaming sessions.Premium Aluminum CNC Construction: Elevate your setup with the sleek Redragon K727, featuring a robust aluminum alloy shell crafted with an exquisite spray finish. This premium material not only ensures long-lasting durability but also adds a touch of modern luxury to your desk. The sturdy build resists wear and tear, while the minimalist design complements any environment, from gaming rigs to professional workstations.Tri-Mode Connectivity for Seamless Multi-Device Use: Switch effortlessly between work, gaming, and study with 3 connection modes: Bluetooth 5.0, 2.4GHz wireless, and USB wired. Connect up to 5 devices simultaneously and toggle between them using simple FN key combinations. Enjoy stable, low-latency performance in wireless modes or plug in for uninterrupted wired use—perfect for multitaskers and gamers alike.Hot-Swappable & Pre-Lubed Switches: Unleash your creativity with hot-swappable 3-pin/5-pin switches (puller included), allowing easy replacement without soldering. The pre-lubed linear switches offer a smooth, fast response with a pleasant typing sound, enhancing both gaming reflexes and typing comfort. Swap keycaps to match your style and customize your keyboard to fit your unique needs—no technical expertise required.South-Facing RGB Backlighting & Smart Knob Control: Illuminate your desk with 16 dynamic RGB effects and 7 solid colors, powered by south-facing LEDs that brighten keycaps and accessories for a vibrant gaming aesthetic. Use the intuitive metal knob to quickly adjust RGB modes, brightness, and volume with precision. While the advanced software (Windows-only) lets you create custom lighting profiles, the compact 60% layout retains essential function and arrow keys, saving space without compromising usability.Long-Lasting Battery & Double-Shot PBT Keycaps: A 4000mAh battery delivers weeks of wireless use on a single charge, ideal for work or gaming without frequent charging. Double-shot PBT keycaps feature fade-resistant legends and durable, oil-resistant material that stays vibrant and clear—no shine or wear, even after heavy use.