HI75C Pro Mechanical Wireless Keyboard - 75% Hot-Swap RGB

In this review of the HI75C Pro Mechanical Wireless Keyboard, the bottom line is simple: this is a compact, well-built 75% board for users who want a tactile typing feel plus flexible wireless options. The review finds the aluminium alloy case and gasket build deliver a premium, low-noise typing experience, while the multi-mode connectivity and hot-swappable Reaper switches make it a practical choice for both gamers and productivity users. Expect solid sound, a multifunction knob, and long battery life when RGB is off.

Key Features

• Aluminium alloy cover: The sturdy metal case provides improved heat dissipation and a premium, fingerprint-resistant finish that keeps the keyboard looking neat over time.
• Gasket design: The internal gasket reduces cavity noise and refines the typing sound for a quieter, more satisfying key press in office and home setups.
• 3-mode connection: Bluetooth 5.0, 2.4 GHz dongle, and USB wired support let you connect up to five devices and switch between them quickly with shortcut keys or a side button.
• 75% layout with 81 keys: A compact layout that preserves essential functionality while saving desk space compared with full-size keyboards.
• RGB backlight and music modes: 16.8 million colors and 17 lighting effects, plus a music rhythm driver option, or turn lights off for extended battery life of about a month.
• Dual-mode knob: A multi-functional knob alternates between volume control in office mode and brightness control in game mode for quick, tactile adjustments.

Who It's For

The HI75C Pro is best for users who want a compact mechanical keyboard with a premium build and flexible wireless connectivity, especially hybrid workers who switch between devices or gamers looking for low latency and hot-swap customization. Enthusiasts who value typing sound and feel will appreciate the gasket mount and the smooth action of the Reaper switches.

Those who need an ultra-slim travel board, full numeric keypad, or extremely low-latency wired-only pro esports setup may want to look elsewhere. Also, users who prioritize completely silent keys should consider specialized silent switches in other models.

Pros & Cons

Pros

• Solid aluminium construction and powder coating give a premium, durable feel.
• Gasket design noticeably reduces cavity noise and refines typing acoustics.
• Versatile connectivity with BT5.0, 2.4 GHz and wired USB plus multi-device switching.
• Hot-swappable Reaper switches allow easy customization without soldering.

Cons

• Connectivity receives mixed feedback from some users, so initial pairing or dongle range can require troubleshooting.
• The 75% layout omits a dedicated numpad, which is inconvenient for heavy spreadsheet users.

Specifications

Brand	LEOBOG
Layout	75% (81 keys)
Case material	Aluminium alloy with powder coating
Connectivity	Bluetooth 5.0, 2.4 GHz wireless, USB wired
Switches	Hot-swappable Reaper switch (Turquoise)
Lighting	16.8 million RGB colors, 17 effects, music rhythm modes
Additional	Dual-mode multifunction knob; detachable Type-C cable

Our Verdict

The HI75C Pro is a compelling compact mechanical keyboard for users who want a premium metal case, refined typing acoustics, and flexible multi-device connectivity. It offers strong value for those who plan to customize switches and who appreciate a robust knob and RGB options, while modest connectivity quirks and the lack of a numpad are the main trade-offs.

Frequently Asked Questions

Can I use the keyboard with both Mac and Windows?
Yes, the HI75C Pro supports Mac and Windows via Bluetooth, 2.4 GHz dongle, or USB wired connection and includes the shortcuts needed to switch devices.

Are the switches hot-swappable?
Yes, the keyboard uses hot-swappable Reaper switches so you can change switches without soldering.

How long does the battery last with RGB off?
With lights turned off the keyboard can run for about one month on a single charge under typical use.