1. Introduction
The ThundeRobot ML901 is a high-performance gaming mouse designed for versatility and precision. It features three connectivity modes (wired, 2.4G wireless, and Bluetooth), an ultra-lightweight design, and a Pixart PAW3395 optical sensor for exceptional tracking accuracy. This manual provides detailed instructions for setting up, operating, and maintaining your ML901 gaming mouse.

2. Key Features
- Tri-Mode Connectivity: Supports wired, 2.4G wireless, and Bluetooth connections for versatile use across multiple devices.
- Pixart PAW3395 Optical Sensor: Next-gen high-precision, low-power esports-grade sensor with up to 26000 DPI, 650 IPS, 50G Max Acceleration, and 99.6%+ tracking accuracy.
- Ultra-Lightweight Design: Weighs approximately 76±2g, offering a balanced and comfortable grip.
- Extended Battery Life: 600mAh battery provides over 130 hours of usage.
- Kailh GM8.0 Microswitches: Durable switches rated for 80 million clicks.
- Superior Keystroke Preload Mechanism: Mid-shell and key post joint with torsion spring for a shorter, crisper key feel.
- 3-Zone RGB Lighting: Customizable 16.8 million color RGB lighting with various adjustable modes.
- Thunderspeed Wireless Tech: Ensures ultra-low latency, smart frequency tuning, interference resistance, and efficient energy utilization.
- Other Features: Elevated Type-C cable design, 100% PTFE mouse feet, and a 1.8m lightweight paracord cable.

3. Setup Instructions
The ThundeRobot ML901 offers three distinct connectivity options. Choose the mode that best suits your needs.
3.1. Wired Mode
- Connect the provided Type-C cable to the mouse and your computer's USB port.
- The mouse will automatically switch to wired mode and begin charging. Wired mode takes priority if connected.
3.2. 2.4G Wireless Mode
- Locate the mode switch on the bottom of the mouse.
- Slide the mode switch to the left (typically indicated by a 2.4G icon).
- Plug the 2.4G USB receiver into an available USB port on your computer.
- The mouse should connect automatically.
3.3. Bluetooth Mode
- Locate the mode switch on the bottom of the mouse.
- Slide the mode switch to the right (typically indicated by a Bluetooth icon).
- On your computer or device, enable Bluetooth and search for new devices.
- Long-press the pairing button on the mouse (refer to the mouse diagram for exact location, usually on the bottom or side) to enter pairing mode.
- Select "ThundeRobot ML901" from the list of available Bluetooth devices on your computer to complete the pairing process.

4. Operation
4.1. Charging and Battery Indicator
The ML901 mouse is equipped with a 600mAh battery, providing over 130 hours of use. It can be charged via the Type-C cable. A side battery indicator provides quick feedback on the charge level:
- 3 lights fully lit: Approximately 100% charge.
- 2 lights lit: Approximately 60% charge.
- 1 light lit: 25% charge or below.
- 1 light flashing (1 flash per second): Battery is below 10%, indicating low battery.
For optimal battery life, it is recommended to turn off the mouse lighting when not needed.

4.2. RGB Lighting Control
The ML901 features 3-zone RGB lighting with 16.8 million colors. You can customize and switch between various lighting modes using the mouse buttons. Typically, a combination of the back button and the middle button (scroll wheel click) is used for convenient switching of lighting modes.

4.3. Polling Rate QuickSwitch
The polling rate can be quickly adjusted using a button combination:
- To change polling rate: Press the Right-click button + Forward key combo.
- Default Polling Rate: 1000Hz.
- Indicator: The logo light will flash red for 125Hz and flash for 250Hz (specific flash pattern not detailed, but implies a visual cue).

5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your ThundeRobot ML901 gaming mouse.
- Cleaning: Use a soft, dry cloth to wipe the mouse surface. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the mouse. Avoid harsh chemicals or abrasive materials.
- Sensor Care: Keep the optical sensor area on the bottom of the mouse clean and free from dust or debris to ensure accurate tracking.
- Cable Management: If using wired mode, avoid sharp bends or excessive pulling on the Type-C cable to prevent damage.
- Storage: When not in use, store the mouse in a clean, dry environment away from extreme temperatures and direct sunlight.
6. Troubleshooting
If you encounter issues with your ThundeRobot ML901 mouse, try the following steps:
- Mouse not responding:
- Check battery level. Recharge if low.
- Ensure the correct connectivity mode (Wired, 2.4G, Bluetooth) is selected via the switch on the bottom of the mouse.
- For 2.4G mode, ensure the USB receiver is securely plugged in. Try a different USB port.
- For Bluetooth mode, ensure Bluetooth is enabled on your device and the mouse is properly paired. Try re-pairing.
- Try connecting the mouse in wired mode to see if it functions.
- Inconsistent tracking or cursor lag:
- Clean the optical sensor on the bottom of the mouse.
- Ensure you are using the mouse on a suitable surface (e.g., a mouse pad).
- Check for interference in 2.4G or Bluetooth modes. Move closer to the receiver/device or try a different wireless channel if possible.
- RGB lighting not working:
- Ensure the mouse has sufficient battery charge.
- Try cycling through lighting modes using the designated button combination (back button + middle button).
7. Technical Specifications

| Feature | Specification |
|---|---|
| Model | ML901 |
| Connectivity | Wired, 2.4G Wireless, Bluetooth |
| Sensor | Pixart PAW3395 Optical Sensor |
| Max DPI | 26000 DPI |
| Max Speed | 650 IPS |
| Max Acceleration | 50G |
| Tracking Accuracy | 99.6%+ |
| Microswitches | Kailh GM8.0 (80 Million Clicks) |
| Number of Buttons | 6 (5 programmable) |
| RGB Lighting | 3-Zone RGB (16.8 Million Colors) |
| Battery Capacity | 600mAh |
| Battery Life | 130+ Hours |
| Charging | Wired (Type-C) |
| Mouse Weight | 76±2g |
| Gross Weight | 78g |
| Dimensions | 124.1 x 39.7 x 63.7 mm |
| Polling Rate | 1KHz (Default) |
| Cable Length | 1.8m Paracord |
| Mouse Feet | 100% PTFE |
| Hand Orientation | Right |
| Origin | Mainland China |
8. Warranty and Support
ThundeRobot provides the following warranty and support information for your ML901 gaming mouse:
- Warranty Period: One year from the date of purchase.
- Proof of Purchase: It is recommended to record an unboxing video to protect your rights in case of parcel damage or theft.
- Damaged/Stolen Parcels: If the parcel is damaged or empty (stolen) upon arrival, please request an official document, especially a claim request paper, from the post office.
- Returns/Replacements: Refunds or replacements are offered within 3 days of delivery for eligible issues.
- Repairs: Repair services are offered after 30 days of delivery. The cost of returning the item for repair and reshipping will be borne by the customer.
For further assistance or to provide feedback, please contact ThundeRobot customer support.





