1. Product Overview
The KZZI K75 PRO is a 75% layout RGB mechanical keyboard designed for versatility and a premium typing experience. It features a gasket mount structure, triple-mode connectivity (wired, 2.4GHz wireless, Bluetooth 5.0), hot-swappable switches, and an integrated LED power display. The keyboard is built with high-quality materials and offers extensive customization options through its programmable software.
Image: KZZI K75 PRO RGB 75% Wireless Gasket Mechanical Keyboard in green and white color scheme.
2. What's in the Box
Your KZZI K75 PRO package includes the following items:
- K75 Gasket Keyboard
- 2-in-1 USB Cable (1.8m)
- Dust Cover
- 2-in-1 Keycap & Switch Puller
- 4 Replacement Switches
Image: The KZZI K75 PRO keyboard and its accessories, including the USB cable, switch puller, and extra switches.
3. Setup
3.1 Connectivity Modes
The K75 PRO keyboard supports three connection modes: Wired (USB-C), 2.4GHz Wireless, and Bluetooth 5.0. A toggle switch on the side of the keyboard allows for easy switching between these modes.
Image: The KZZI K75 PRO keyboard demonstrating its triple-mode connectivity with a visible toggle switch and connections to a monitor, tablet, and smartphone.
3.1.1 Wired Mode (USB-C)
For the most stable and fastest connection, use the provided USB-C cable. Connect one end to the dedicated Type-C port on the keyboard (the leftmost Type-C port) and the other end to your computer. The keyboard will be recognized automatically.
3.1.2 2.4GHz Wireless Mode
To use 2.4GHz wireless, locate the USB dongle stored in the keyboard's base. Plug the dongle into an available USB port on your device. Toggle the switch on the keyboard to the 2.4G position. The keyboard should connect automatically.
3.1.3 Bluetooth 5.0 Mode
To connect via Bluetooth, toggle the switch on the keyboard to the Bluetooth position. The keyboard can connect to up to three devices simultaneously. To pair with a new device:
- Ensure the keyboard is in Bluetooth mode.
- On your device (computer, tablet, smartphone), go to Bluetooth settings and search for available devices.
- Select 'KZZI K75 PRO' or a similar name (e.g., BT3 or BT5.0 KB) from the list to pair.
- To switch between paired Bluetooth devices, press Fn + Q, Fn + W, or Fn + E.
- If pairing issues occur or to clear previous Bluetooth connections, press and hold Fn + Q + W + E for approximately 5 seconds to reset the Bluetooth connections.
The keyboard is compatible with various operating systems including MacOS, Windows, Android, and iOS devices (iPad, iPhone).
Video: Demonstrates the KZZI K75 Pro's triple-mode connectivity, including wired, 2.4GHz wireless, and Bluetooth pairing with various devices like PCs, tablets, and smartphones.
3.2 Adjustable Support Feet
The keyboard features two-stage adjustable support feet on its underside, allowing you to set the typing angle for optimal comfort.
3.3 LED Power Display
The K75 PRO includes an LED display that shows the current battery percentage, ensuring you are always aware of the remaining power. The built-in 3750mAh battery provides up to 200 hours of usage with the backlight off, and approximately 30 hours with the backlight on. A full charge takes 6-7 hours.
Image: Close-up of the KZZI K75 PRO keyboard showing the LED screen displaying battery percentage.
4. Operating Instructions
4.1 Key Layout and Switches
The K75 PRO features an 82-key ANSI layout, providing a compact form factor while retaining essential keys. It is equipped with hot-swappable switches, allowing users to easily change switches without soldering. The PCB is compatible with both 3-pin and 5-pin switches.
Image: The KZZI K75 PRO keyboard with several keycaps and switches removed, demonstrating its hot-swappable PCB design and the included switch puller.
This specific model comes with pre-lubed Eternity Tactile Switches, which offer a clear keystroke feeling and a pleasing sound. Moment Linear Switches are also available in other variants, providing a silky smooth typing experience.
Image: Detailed view of the custom POM switches, showing the Eternity Tactile Switch and Moment Linear Switch with their respective specifications.
Video: A brief comparison demonstrating the sound and feel difference between Eternity Tactile Switches and Moment Linear Switches.
4.2 RGB Backlight
The K75 PRO features a customizable RGB backlight with south-facing transparent light diffusers for brighter effects. Various lighting modes and colors can be adjusted to suit user preferences.
Image: The KZZI K75 PRO keyboard showcasing its customizable RGB backlighting with various colors.
4.3 Programmable Software Support
The keyboard supports programmable software for advanced customization. Users can create custom keyboard shortcuts, set up macros, and personalize RGB backlight effects to enhance their workflow or gaming experience.
Video: Overview of the KZZI K75 Pro's programmable software, demonstrating how to customize key functions, macros, and RGB lighting effects.
5. Maintenance
5.1 Cleaning
To clean your keyboard, use a soft, dry cloth. For deeper cleaning, you may carefully remove keycaps using the provided keycap puller and clean the areas underneath with compressed air or a small brush. Ensure the keyboard is powered off and disconnected before cleaning.
5.2 Switch and Keycap Replacement
The K75 PRO's hot-swappable design allows for easy replacement of switches and keycaps. Use the included 2-in-1 keycap and switch puller to carefully remove components. Align new switches and keycaps correctly before pressing them firmly into place.
5.3 Dust Cover
Utilize the included dust cover when the keyboard is not in use to protect it from dust and debris, prolonging its lifespan and maintaining its appearance.
6. Troubleshooting
6.1 Connectivity Issues
- Wired: Ensure the USB-C cable is securely connected to both the keyboard's dedicated port and your device. Try a different USB port or cable.
- 2.4GHz Wireless: Verify the USB dongle is properly inserted and the keyboard switch is set to 2.4G mode. Ensure there are no strong interferences nearby.
- Bluetooth: Ensure the keyboard is in Bluetooth mode and your device's Bluetooth is enabled. If pairing fails, try resetting the keyboard's Bluetooth connections by pressing and holding Fn + Q + W + E for approximately 5 seconds. Re-attempt pairing after reset.
6.2 Power Issues
- If the keyboard is not turning on or holding a charge, check the LED power display for battery status.
- Connect the keyboard via USB-C cable to charge. Ensure the charging cable and power source are functional.
6.3 Key Functionality
- If a key is not responding, carefully remove the keycap and switch using the provided puller. Ensure the switch is properly seated in the PCB.
- If the issue persists, try replacing the switch with one of the spare switches provided.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | KZZI |
| Model Number | K75 PRO |
| Connectivity Technology | Bluetooth 5.0, 2.4GHz Wireless, USB-C Wired |
| Keyboard Description | Mechanical |
| Keyboard Layout | 82 Keys ANSI Layout (75% Compact TKL) |
| Switch Type | Eternity Tactile (Hot-swappable, 3Pin/5Pin compatible) |
| Battery Capacity | 3750mAh |
| Battery Life (Backlight Off) | Up to 200 hours |
| Battery Life (Backlight On) | Up to 30 hours |
| Charging Time | 6-7 hours |
| Product Dimensions (L x W x H) | 13.22" x 6.12" x 1.63" (335.8mm x 155.5mm x 41.5mm) |
| Material | Polybutylene Terephthalate (PBT) Keycaps |
| Special Features | Gasket Mount, RGB Backlit, LED Power Display, Extra Hub Ports, Programmable Software |
8. Warranty and Support
8.1 Warranty Information
The KZZI K75 PRO keyboard comes with a 1-year manufacturer's warranty. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact KZZI customer support through the retailer's platform or the official KZZI website. Provide your product model number and a detailed description of the issue for efficient support.