1. Introduction
Thank you for choosing the IROK Gaming Magnetic Mechanical Keyboard. This manual provides essential information for setting up, operating, and maintaining your keyboard. Designed for gamers and professionals, the Mars75 and Mars75 Pro series offer advanced features such as magnetic switches, customizable key travel, and a high polling rate for an unparalleled typing and gaming experience.
2. Safety Information
- Keep the keyboard away from liquids and excessive moisture.
- Avoid exposing the keyboard to extreme temperatures.
- Do not attempt to disassemble or repair the keyboard yourself. Refer to qualified service personnel.
- Use only the provided USB cable for connection.
- Keep out of reach of small children to prevent choking hazards from small parts.
3. Package Contents
Please check the package for the following items:
- IROK Gaming Magnetic Mechanical Keyboard (Mars75 or Mars75 Pro)
- 8K Data Cable (USB-C to USB-A)
- Spare Shaft (for magnetic switches)
- Dust Cover
- Instruction Manual (this document)
4. Product Overview
The IROK Mars75 series keyboards are 75% layout wired mechanical keyboards featuring magnetic switches and a GASKET structure for a premium typing feel and sound. Key features include:
- Magnetic Switches: Offering precise and customizable actuation points.
- GASKET Structure: Enhances typing comfort and acoustic performance.
- High Performance: 0.001mm RT Accuracy, 8KHz Polling Rate, and 0.125ms Low Latency for competitive gaming.
- Customizable Dynamic Key Travel: Adjust actuation points to your preference.
- ARGB Lighting: Per-key customizable RGB lighting with independent IC500Hz high refresh rate.
- Advanced Control Chip: 480MHz main control chip with 10 independent chips for stable and precise input.
- GTURBO Algorithm: AI-powered algorithm for dynamic balance and real-time correction.


5. Setup Instructions
- Unpack the Keyboard: Carefully remove the keyboard and all accessories from the packaging.
- Connect the USB Cable: Insert the USB-C end of the provided 8K data cable into the keyboard's USB-C port. Connect the USB-A end to an available USB port on your computer.
- Initial Recognition: Your computer should automatically detect and install the necessary drivers. This may take a few moments.
- Install Driver Software (Optional but Recommended): For full customization and advanced features, download and install the dedicated Web Driver / Client Driver software from the official SUMREDA website. This software allows you to configure magnetic axis settings, key travel, macros, and lighting effects.

6. Operating Instructions
6.1 Basic Usage
The keyboard functions as a standard QWERTY keyboard upon connection. All keys are pre-programmed for typical use.
6.2 Customizing Key Travel and Actuation
The magnetic switches allow for dynamic key travel customization. Use the dedicated driver software to:
- Adjust the actuation point of individual keys.
- Set "Quick Trigger" for rapid key presses.
- Configure "Sensitivity" for precise control.
- Utilize "Dual 0 dead zone adjustable continuous touch" for enhanced responsiveness.

6.3 Advanced Functions
The keyboard supports various advanced functions configurable through the driver software:
- SOCD: Simultaneous Opposing Cardinal Directions (for fighting games).
- Music Rhythm: Lighting effects synchronized with audio.
- TGL (Toggle): Toggles a function on/off.
- MT (Mod Tap): Key acts as a modifier when held, and a regular key when tapped.
- Key Macros: Program complex sequences of key presses.
- MPT (Multi-Press Tap): Different actions based on multiple taps.
- END: End key functionality.
6.4 ARGB Lighting Control
The keyboard features per-key ARGB lighting. Use the driver software to:
- Select from various lighting effects and patterns.
- Customize individual key colors.
- Adjust brightness and speed of effects.

7. Maintenance
7.1 Cleaning
- Keycaps: Use a soft, damp cloth to wipe the keycaps. For deeper cleaning, keycaps can be carefully removed using a keycap puller (not included) and washed with mild soap and water. Ensure they are completely dry before reattaching.
- Keyboard Body: Wipe the keyboard body with a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution.
- Dust: Use the provided dust cover when the keyboard is not in use to prevent dust accumulation. A can of compressed air can be used to blow out dust and debris from between the keys.
7.2 Magnetic Switch Care
The magnetic switches are designed for durability. If a switch feels inconsistent, you may use the provided spare shaft to replace it. Ensure the keyboard is disconnected before attempting any switch replacement.
8. Troubleshooting
- Keyboard not responding:
- Ensure the USB cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Test the keyboard on another computer to rule out a system-specific issue.
- Restart your computer.
- Keys not registering or double-typing:
- Clean around the affected key(s) with compressed air.
- Check the driver software for any custom key travel settings that might be too sensitive or too high. Reset to default if necessary.
- Consider replacing the magnetic switch if the issue persists (refer to Maintenance section).
- RGB lighting not working or incorrect:
- Ensure the driver software is installed and running.
- Check lighting settings within the driver software.
- Update the keyboard firmware via the driver software if available.
- Driver software not detecting keyboard:
- Make sure the keyboard is properly connected via USB.
- Reinstall the driver software.
- Temporarily disable any antivirus or firewall software that might be interfering.
9. Specifications
| Feature | MARS75 | MARS75 PRO |
|---|---|---|
| Layout | 75% Layout | |
| Structure | Esports Grade GASKET | |
| Connection Mode | Wired connection | |
| Keycap | ABS Side-engraved | PC Frosted |
| Axis | Purple Star Magnetic Axis | Starlight magnetic axis |
| Soundproof Filling | Silent Cotton + Tuning Paper + Voice Actor Film + PU Foam + Silicone Base Pad | |
| Positioning Plate | Metal positioning plate | |
| Accuracy | RT0.001MM | |
| Plan | Star Flash 480 | |
| Algorithm | Second Generation GTURBO Algorithm RT Precision Dynamic Balance Temperature Drift Real-Time Correction | |
| Rate of Return | 8000HZ | |
| Delay | 0.125MS | |
| Scan Rate | 256KHz single-key scanning rate, 12KHz full-key scanning rate | |
| Lighting | ARGB | Full Series Space 3 LED Beads | |
| Driver | Web Driver | HUB Driver | |
| Keyboard Functions | SOCDI Music Rhythm, TGL, MT, Key Macro, MPT, END | |
| Package Dimensions (approx.) | 30cm (L) x 20cm (W) x 10cm (H) | |
| Package Weight (approx.) | 1.3 kg | |

10. User Tips
- Experiment with Actuation: Take time to fine-tune the key actuation points using the software. Different games or typing styles may benefit from different settings.
- Macro Efficiency: Utilize the macro function for repetitive in-game actions or complex work tasks to improve efficiency.
- Firmware Updates: Regularly check the official SUMREDA website for firmware updates to ensure optimal performance and access to new features.
- Cable Management: Ensure the 8K data cable is routed cleanly to prevent strain and accidental disconnections during intense use.
11. Warranty and Support
For warranty information, technical support, and customer service, please refer to the official SUMREDA website or contact your retailer. Keep your proof of purchase for warranty claims.





