Introduction
The Razer Atheris is a compact, ambidextrous wireless mouse designed for both productivity and gaming on the go. It features industry-leading signal stability, dual-connectivity options (USB wireless receiver and Bluetooth), and extended battery life, all within an ergonomic form factor.
Package Contents
- Razer Atheris Wireless Mouse
- 2 x AAA Batteries
Setup
1. Battery Installation
- Gently lift the top cover of the mouse to reveal the battery compartments.
- Insert the two AAA batteries into their respective slots, ensuring correct polarity (+/-).
- Replace the top cover, ensuring it snaps securely into place.
2. Connectivity Options
The Razer Atheris offers two wireless connection modes: 2.4 GHz via USB dongle and Bluetooth Low-Energy.
2.1. 2.4 GHz Wireless Connection
- Locate the USB wireless dongle stored inside the mouse (under the top cover, near the batteries).
- Plug the USB dongle into an available USB port on your computer.
- On the underside of the mouse, slide the switch to the '2.4 GHz' position.
- Your computer should automatically detect and connect to the mouse.
2.2. Bluetooth Connection
- On the underside of the mouse, slide the switch to the 'Bluetooth' position.
- Activate Bluetooth pairing mode on your computer (refer to your operating system's instructions).
- Select 'Razer Atheris' from the list of available Bluetooth devices to pair.

Image: The Razer Atheris mouse highlighting its dual connection capability, allowing users to connect via a USB dongle or Bluetooth.
Operating the Mouse
1. Buttons and Scroll Wheel
- Left and Right Click Buttons: Standard mouse functionality.
- Scroll Wheel: Features a ridged, rubberized design for enhanced grip and controlled scrolling. It also functions as a clickable button.
- DPI Adjustment Buttons: Located behind the scroll wheel, these buttons allow for on-the-fly sensitivity adjustment (up to 7200 DPI).
- Programmable Side Buttons: The mouse includes 5 programmable buttons that can be customized for various functions or complex macros using Razer Synapse 3 software.
Image: The Razer Atheris mouse showcasing its 7200 DPI optical sensor, providing gaming-grade precision for accurate tracking.
2. Razer Synapse 3 Software
For advanced customization, including button remapping, macro assignment, and DPI settings, download and install Razer Synapse 3 from the official Razer website. This software allows you to personalize your mouse experience to suit your preferences.
Maintenance
1. Cleaning
- Use a soft, dry cloth to wipe the surface of the mouse.
- For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid harsh chemicals.
- Ensure no liquid enters the mouse's internal components.
2. Battery Replacement
The Razer Atheris provides up to 350 hours of continuous use on a pair of AA batteries. When the battery life diminishes, replace them as described in the 'Battery Installation' section.
Image: The Razer Atheris mouse, emphasizing its long battery life of up to 350 hours of continuous use.
Troubleshooting
- Mouse not responding: Check battery levels and ensure they are correctly inserted. Verify the power switch on the underside of the mouse is in the correct position (2.4 GHz or Bluetooth).
- Connectivity issues (2.4 GHz): Ensure the USB dongle is securely plugged into a working USB port. Try a different USB port.
- Connectivity issues (Bluetooth): Ensure Bluetooth is enabled on your device and the mouse is in pairing mode. Remove and re-pair the device in your computer's Bluetooth settings.
- Lag or erratic movement: Ensure the mouse is used on a clean, suitable surface. Check for potential interference from other wireless devices.
Specifications
| Feature | Specification |
|---|---|
| DPI Optical Sensor | 7200 DPI |
| Battery Life | Up to 350 hours (on 2x AA batteries) |
| Connectivity | 2.4 GHz Wireless (with Adaptive Frequency Technology) & Bluetooth Low-Energy |
| Programmable Buttons | 5 |
| Mechanical Switches Durability | Up to 50 million clicks |
| Form Factor | Ambidextrous Ergonomic |
| Weight | 2.33 ounces |
| Dimensions (LxWxH) | 3.9 x 2.44 x 1.34 inches |
| Compatible Platforms | Mac, PC (Windows) |
Product Overview Video
Video: An official overview of the Razer Atheris mouse, highlighting its key features such as long battery life, 7200 DPI optical sensor, dual connectivity, and ambidextrous ergonomic design.
Warranty and Support
Razer products are designed for durability and performance. For specific warranty information and technical support, please visit the official Razer website or contact Razer customer service. Keep your proof of purchase for warranty claims.





