Introduction
The Ninjutso Katana is a lightweight wired gaming mouse engineered for competitive esports. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Katana mouse to ensure optimal performance and longevity. The Katana features a 58g ultralight design, a PMW3389 optical sensor, Kailh GM8.0 switches, and 100% PTFE feet for precise control and responsiveness.

A top-down view of the Ninjutso Katana Lightweight Gaming Mouse, showcasing its symmetrical design, scroll wheel, and main click buttons.
Product Features
- Esports Optimized Design: The Katana is a wired symmetrical gaming mouse with a shape, weight, and performance optimized for competitive professionals.
- 58g Ultralight Construction: Features a uni-body engineered shell that achieves an incredibly low weight without holes, maintaining strong structural rigidity.
- Tournament-Ready Performance: Equipped with the advanced PMW3389 sensor, optimized 1mm lift-off distance, flexible Assassin paracord, and V2 100% PTFE Assassin feet for easier, faster, and smoother control.
- Responsive Clicks & Scroll: Kailh GM8.0 switches provide a crisp click with an 80 million click lifespan. The TTC gold esports encoder delivers smooth wheel scrolling with defined steps and satisfying feedback.
- Built-in On-board Memory: Designed for plug-and-play functionality. Users can bind keys, macros, and other advanced features, saving them directly to the mouse.

A side view of the Ninjutso Katana mouse, illustrating its 58g ultralight design, PMW3389 sensor, and symmetrical shape, optimized for professional use.

A top view of the Ninjutso Katana mouse, emphasizing its 58g ultralight, uni-body shell construction designed for structural rigidity without holes.

The underside of the Ninjutso Katana mouse, showing the PMW3389 16K DPI optical sensor, 1mm lift-off distance, V2 100% PTFE feet, and Assassin paracord for tournament-ready performance.
Setup Guide
1. Connecting the Mouse
- Locate an available USB port on your computer.
- Plug the USB connector of the Ninjutso Katana mouse into the USB port.
- Your computer should automatically detect and install the necessary drivers. The mouse is designed for plug-and-play functionality.
2. Software Installation (Optional)
For advanced customization, including binding keys, creating macros, and adjusting DPI settings, you may download the official Ninjutso software from the manufacturer's website. This software allows you to configure settings and save them directly to the mouse's on-board memory.
Operating Instructions
Basic Functions
- Left Click (M1): Primary action, selection.
- Right Click (M2): Secondary action, context menus.
- Scroll Wheel: Scroll up/down, middle click for additional functions.
- Side Buttons: Typically configured for forward/back navigation or custom macros.

A close-up side view of the Ninjutso Katana mouse, highlighting the TTC Gold Esports Encoder for smooth scrolling and Kailh GM8.0 switches for crisp clicks with an 80 million click lifespan.
DPI Adjustment
The Ninjutso Katana features a 16K DPI optical sensor. DPI (Dots Per Inch) sensitivity can be adjusted to match your preference. If a dedicated DPI button is present, press it to cycle through preset DPI stages. For fine-tuned DPI settings and custom profiles, use the official Ninjutso software.
Customizing Settings
Utilize the Ninjutso software to:
- Reassign button functions.
- Create and assign macros.
- Adjust DPI stages and polling rate.
- Save up to 5 profiles directly to the mouse's on-board memory for use without software.

A side view of the Ninjutso Katana mouse, indicating its built-in on-board memory, support for 5 profiles, and advanced settings customization.
Maintenance
Cleaning
- Ensure the mouse is disconnected from your computer before cleaning.
- Use a soft, lint-free cloth lightly dampened with water or a mild cleaning solution to wipe the surface of the mouse.
- Avoid using harsh chemicals, abrasive materials, or excessive moisture.
- For the optical sensor, use a cotton swab or compressed air to gently remove dust or debris.
Cable Care
- Avoid sharp bends or kinks in the Assassin paracord cable to prevent damage.
- Do not pull the cable forcefully when disconnecting the mouse.
Troubleshooting
- Mouse Not Responding: Ensure the USB cable is securely connected to your computer. Try a different USB port. Restart your computer.
- Sensor Glitches/Tracking Issues: Clean the optical sensor with compressed air or a cotton swab. Ensure your mouse pad surface is clean and suitable for optical tracking. Check for available firmware updates on the Ninjutso website, as these can resolve sensor performance issues.
- Buttons Not Registering: Verify that the buttons are not physically obstructed. If using custom software, ensure button assignments are correct.
- Cable Stiffness: While the Assassin paracord is designed for flexibility, initial stiffness may be present. Gentle manipulation and regular use can help improve its pliability over time.
- Software Not Detecting Mouse: Ensure the mouse is connected. Reinstall the Ninjutso software. Check for software updates.
Technical Specifications
| Model Number | NM011 |
| Product Dimensions | 4.92 x 2.38 x 1.54 inches (12.5 x 6.05 x 3.9 cm) |
| Item Weight | 2.05 ounces (58 grams) |
| Connectivity Technology | USB Wired |
| Movement Detection Technology | Optical (PMW3389 Sensor) |
| Max DPI | 16,000 DPI |
| Switches | Kailh GM8.0 (80 million click lifespan) |
| Encoder | TTC Gold Esports Encoder |
| Mouse Feet | V2 100% PTFE |
| Cable Type | Assassin Paracord |
| Special Features | Ultralight Design, On-board Memory, Symmetrical Shape |
Warranty Information
The Ninjutso Katana Lightweight Gaming Mouse is covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official Ninjutso website for detailed terms and conditions regarding warranty coverage, duration, and claims process.
Customer Support
For further assistance, technical support, or inquiries regarding your Ninjutso Katana mouse, please visit the official Ninjutso website. You can typically find FAQs, driver downloads, firmware updates, and contact information for customer service there.