Royal Kludge RK H81 RGB Tri-Mode Hot-Swappable Mechanical Keyboard Star Night
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Technical Specifications
| Attribute | Detailed Specification |
| Product Model | RK H81 (Royal Kludge H81) |
| Product Category | Wireless Multi-Device Mechanical Gaming & Productivity Keyboard |
| Form Factor / Layout | 75% Compact Layout (81 Keys) |
| Mounting Structure | Gasket-Mounted Design with Multi-Layer Noise Reduction Padding |
| Connectivity | Tri-Mode: Bluetooth 5.0, 2.4GHz Wireless, and Wired USB Type-C |
| Mode Switching | Dedicated Hardware Connection Mode-Switch Knob |
| Battery Capacity | 3750 mAh Rechargeable Lithium Battery (Up to 200 hours usage with backlight off) |
| Keycap Profile & Material | Double-Shot Keycaps |
| Switch Options | Brown Switches |
| Switch Compatibility | Hot-Swappable PCB Sockets (Supports both 3-Pin and 5-Pin Mechanical Switches) |
| Lighting Effects | Dynamic South-Facing RGB Backlighting (18 Built-in Preset Modes) |
| Anti-Ghosting | Full N-Key Rollover (NKRO) |
| Color Options | Star Night |
| System Compatibility | Windows, macOS, Android, and iOS |
| Physical Dimensions | 315 x 125 x 39 mm |
| Product Net Weight | Approximately 0.87 kg (870 grams) |
| Warranty Coverage | 1 Year Limited Brand Warranty |
Product Description
The Royal Kludge RK H81 is a feature-packed 75% mechanical gaming keyboard Star Night built for users who demand wireless freedom, smooth typing ergonomics, and clean desk organization. Featuring an 81-key layout, it preserves essential arrow keys and top-row function keys while keeping a compact footprint to free up valuable desktop mouse space.
Designed with a gasket-mounted structure, the RK H81 incorporates soft gasket mounts paired with multi-layer acoustic dampening padding—including sandwich silica gel and bottom noise-absorbing foam. This cushioned internal assembly absorbs keystroke vibrations, providing a soft, comfortable typing response and an acoustically pleasing, deep sound profile. A unique dedicated connection knob situated on the top right allows users to effortlessly rotate between wireless modes and wired connections.
The keyboard offers versatile Tri-Mode connectivity: high-speed 2.4GHz wireless for lag-free gaming, Bluetooth 5.0 for connecting across up to three devices simultaneously, and a detachable USB Type-C wired mode. Powered by a large 3750mAh battery, it supports extended wireless use lasting up to 200 hours with the RGB lights turned off. Its hot-swappable PCB supports both 3-pin and 5-pin mechanical switches, making it easy to swap out switches for customized tactile or linear feedback without soldering.
Visual personalization is driven by vibrant south-facing RGB backlighting featuring 18 dynamic lighting modes and customizable effects. Compatible across Windows, macOS, iOS, and Android systems, the RK H81 is backed by a 1-year brand warranty, delivering a well-rounded wireless mechanical keyboard experience for home and office environments.
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