1. Introduction
The Xinmeng M75 Pro is a versatile 75% layout mechanical keyboard designed for gaming and office use. It features a Gasket Leaf Spring structure, full key hot-swappable switches, vibrant RGB backlighting, and a smart TFT color screen. With three connection modes (Bluetooth, 2.4G Wireless, and Wired USB), it offers flexibility and high performance across various operating systems.
2. Package Contents
- Xinmeng M75 Pro Mechanical Keyboard
- USB Type-C Charging/Data Cable
- Dual-purpose Switch Puller
- Dust Cover
- 8 Supplementary Keycaps
- User Manual (this document)
3. Setup Guide
3.1. Connection Modes
The M75 Pro supports three connection modes: Bluetooth, 2.4G Wireless, and Wired USB. A toggle switch located on the back of the keyboard allows for easy switching between these modes.
Image: Connection mode toggle switch (BT, 2.4G, Wired, Win, Mac)
- Wired Mode: Connect the keyboard to your computer using the provided USB Type-C cable. The keyboard will automatically be detected and ready for use. This mode also charges the keyboard.
- 2.4G Wireless Mode:
- Plug the 2.4G USB receiver into an available USB port on your computer.
- Toggle the switch on the keyboard to the '2.4G' position.
- The keyboard should connect automatically.
- Bluetooth Mode:
- Toggle the switch on the keyboard to the 'BT' position.
- On your device (computer, tablet, phone), search for Bluetooth devices.
- Select 'Xinmeng M75 Pro' (or similar name) from the list to pair.
- The keyboard supports connecting up to three Bluetooth devices simultaneously.
3.2. System Compatibility
The keyboard is compatible with Windows, Android, macOS, and iOS operating systems. Use the system switching function on the TFT screen or the dedicated switch (if available) to optimize key layouts for your specific OS.
3.3. Charging the Battery
The keyboard features a built-in 5000mAh lithium battery. Connect the keyboard via the USB Type-C cable to a power source (computer USB port or USB wall adapter) to charge. The TFT screen will display the battery status.
Image: 5000mAh Lithium Battery with estimated usage times (approx. 15 days in off state, 7 days in light-on state, based on 5 hours/day).
4. Operating Instructions
4.1. Key Functions and Layout
The M75 Pro features an 82-key 75% layout, providing a compact design while retaining essential keys. It supports full key non-impact design, ensuring all key presses are registered accurately, especially during fast typing or gaming.
Image: 75% Layout keyboard, saving desktop space.
4.2. Aluminum Alloy Knob
The aluminum alloy knob on the keyboard serves multiple functions:
- Volume Adjustment: Rotate to increase or decrease system volume.
- One-key Mute: Press to mute/unmute audio.
- Screen Control: May interact with the TFT screen for navigation or selection (PRO version specific).
Image: Aluminum Alloy Knob for volume, mute, and screen control.
4.3. TFT Smart Color Screen (M75 Pro Version)
The 0.85-inch TFT color screen provides real-time information and control options:
- Display Time: Shows current time.
- Power Status: Indicates battery level.
- Connection Mode: Shows current connection (Wired, 2.4G, BT).
- System Switching: Allows switching between Windows, macOS, etc., to optimize key functions.
- Light Efficiency Regulation: Adjust RGB backlight effects.
- Volume Adjustment: Visual feedback for volume changes.
- Custom Picture/GIF: PRO version supports customized user animations.
Image: TFT Smart Color Screen displaying various functions and icons.
4.4. RGB Backlighting
The keyboard features full-color RGB backlighting with multiple effects and music rhythm synchronization (2.4G wireless and wired modes only). The side wing RGB flank strips also add dynamic lighting.
- Adjusting Effects: Use the custom drivers or keyboard shortcuts to cycle through various lighting modes, adjust brightness, speed, and color.
- Music Rhythm: In 2.4G wireless or wired mode, the backlight can synchronize with audio output.
Image: Full Color RGB Backlight effects.
Image: Side Wing RGB Flank Strip for dynamic lighting.
4.5. Custom Drivers
Through the dedicated custom drivers, you can personalize the keyboard's functions:
- Lighting Customization: Fine-tune RGB effects, colors, and patterns.
- Key Macro Functions: Program custom macros for specific keys.
- Other Settings: Adjust various keyboard parameters.
- User Animation (PRO version): Customize GIF animations for the TFT screen.
Image: Custom Driver interface for lighting and macro programming.
4.6. Adjustable Foot Support
The keyboard features two-stage adjustable foot support with anti-slip rubber, allowing you to set the typing angle to three different heights for ergonomic comfort.
Image: Adjustable Two-stage Foot Support for ergonomic typing.
5. Maintenance
5.1. General Cleaning
- Disconnect the keyboard from all power sources before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the surface.
- For dust and debris between keycaps, use compressed air or a small brush.
- Avoid using harsh chemicals or abrasive materials.
5.2. Keycap and Switch Replacement
The M75 Pro features PBT two-color keycaps and full key hot-swappable switches, allowing for easy customization and maintenance.
Image: Two-Color PBT Keycaps, durable and wear-resistant.
Image: Hot Swap Full Key Hot-Plug Switch mechanism.
- Removing Keycaps: Use the provided keycap puller to gently lift keycaps straight up.
- Removing Switches: Use the provided switch puller to carefully grip the switch and pull it straight out.
- Installing Switches: Align the pins of the new switch with the holes on the PCB. Press down gently until the switch clicks into place. Ensure pins are not bent.
- Installing Keycaps: Align the keycap with the switch stem and press down firmly.
6. Troubleshooting
- Keyboard not responding:
- Ensure the keyboard is charged or connected via USB.
- Check the connection mode switch (Wired, 2.4G, BT) is set correctly.
- For 2.4G, ensure the receiver is properly plugged in.
- For Bluetooth, ensure it's paired and selected on your device. Try re-pairing.
- Restart your computer/device.
- RGB Backlight not working or incorrect:
- Check backlight settings via the custom drivers or keyboard shortcuts.
- Ensure the keyboard is in 2.4G wireless or wired mode for music rhythm effects.
- Keys not registering:
- Ensure the keyboard is clean and free of debris.
- If a specific key is not working, try replacing its switch (due to hot-swap feature).
- TFT Screen not displaying:
- Ensure the keyboard is powered on.
- Check for any specific key combinations to activate/deactivate the screen.
- Driver installation issues:
- Download the latest drivers from the official Xinmeng website.
- Ensure your operating system is compatible.
- Temporarily disable antivirus software during installation if issues persist.
7. Specifications
| Feature | Description |
|---|---|
| Model | M75 Pro (screen version) / M75 (no screen version) |
| Layout | 75% (82 Key) |
| Structure | Gasket Leaf Spring Structure |
| Keycap Material | PBT plastic, Doublshot printing |
| Switches | Hot-swappable (compatible with three-foot and five-foot mechanical shafts) |
| Switch Types (Customized) |
|
| Backlight | Multicolor RGB, music rhythm (2.4G wireless & wired modes only) |
| Connection Modes | Bluetooth, 2.4G Wireless, Wired USB (Three Mode) |
| Interface Type | USB, Bluetooth, Bluetooth / USB |
| Battery | 5000mAh Lithium Battery |
| Dimensions | Length 326mm * Width 152mm, Front height 20mm |
| Delay | Wired mode ≤2MS, 2.4G ≤5MS, Bluetooth ≤10MS |
| Compatible Systems | Windows, Android, macOS, iOS |
| Certification | CE |
| Application | Desktop, Laptop |
| Ergonomics | Yes |
| Internal Fill | PORON sandwich cotton, IXPE shaft underpad, PET acoustic cushion, Single Key Slot PCB, PORON Axle Seat Cotton, Thickened mold opening silicone base pad |
Image: Detailed Product Specifications table.
Image: Gasket Leaf Spring Structure diagram with internal components labeled.
Image: Customized Switch Axis Body options and their specifications.
8. User Tips
No specific user tips were available from reviews or Q&A for this product at this time.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your proof of purchase for any warranty claims.