RX-20M - Mouse A4Tech - Free user manual and instructions
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| Product Type | Wired Optical Mouse |
| Brand | A4Tech |
| Model | RX-20M |
| Dimensions (approx.) | 120 x 70 x 40 mm |
| Weight (approx.) | 100 g |
| Connection Type | Wired USB 2.0 |
| Cable Length | 1.5 m |
| Number of Buttons | 3 (Left, Right, Middle) + Scroll Wheel |
| Resolution (DPI) | 1000 DPI (default) |
| Interface | USB |
| Power Source | Bus-powered via USB |
| Compatible Operating Systems | Windows, macOS, Linux |
| Color | Black |
| Maintenance | Clean with a soft, dry cloth. Avoid liquids. |
| Safety Instructions | Do not disassemble. Keep away from moisture and heat. |
| Spare Parts | Not available for this model. |
| Repairability | Not designed for user repair. Contact support if defective. |
Frequently Asked Questions - RX-20M A4Tech
How do I install the A4Tech RX-20M mouse?
Simply plug the USB connector into an available USB port on your computer. The mouse is plug-and-play and should be recognized automatically without additional drivers.
Does the RX-20M mouse have a scroll wheel?
Yes, it has a standard scroll wheel that can also be used as a middle button by pressing it down.
Can I change the DPI/sensitivity?
The RX-20M has a fixed DPI of 1000. It does not have on-the-fly DPI switching. You can adjust pointer speed in your operating system's mouse settings.
Is the A4Tech RX-20M compatible with Mac or Linux?
Yes, it works with Windows, macOS, and Linux as a standard HID mouse. No special drivers needed.
How do I clean the mouse?
Unplug the mouse and wipe the exterior with a soft, lint-free cloth slightly dampened with water or mild soap. Avoid using solvents or submerging the mouse.
What is the cable length?
The USB cable is approximately 1.5 meters (4.9 feet) long.
The cursor jumps or moves erratically. What should I do?
First, clean the mouse sensor and the surface. If the issue persists, try a different USB port or another computer to rule out hardware failure. Ensure the surface is non-reflective.
Does this mouse require a driver?
No, the A4Tech RX-20M is plug-and-play. It uses standard HID drivers included in all major operating systems.
Is there a warranty for the RX-20M?
Warranty details depend on the retailer. Typically, A4Tech offers a 1-year limited warranty against manufacturing defects. Check with your point of purchase.
What should I do if a button stops working?
Test the mouse on another computer. If the button still fails, the mouse may be defective. Contact A4Tech support or your retailer under warranty. Do not attempt to open the mouse.
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