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Chaos Spectrum

Professional-Grade Wired / Wireless Gaming Mouse

$ 149.99

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Professional-Grade Performance

Trusted by top eSports athletes

In high-pressure moments, latency can be the difference between winning it all or losing. With millions on the line, top eSports professionals can depend on G900 Chaos Spectrum. Featuring a 1-millisecond report rate and our highly optimized 2.4GHz wireless connection, Chaos Spectrum delivers incredible responsiveness for competition-level twitch targeting.

Our Most Accurate Optical Sensor

Pixel-precise performance

Chaos Spectrum comes equipped with the PMW3366 optical sensor — widely regarded as the best gaming mouse sensor on the market. PMW3366 has zero smoothing, filtering or acceleration across the entire DPI range (200-12,000DPI), delivering exceptional tracking accuracy and consistent responsiveness at any speed. For even better accuracy and speed, use surface tuning in Logitech Gaming Software to tune the sensor to your playing surface.

Download Logitech Gaming Software here

Lightweight Construction

Superior comfort and speed

Every component of Chaos Spectrum has been optimized to reduce weight while maintaining stability. Each element of the construction was analyzed and adjusted to remove milligrams wherever possible, from thin wall molding to a hollow “spoked” hyperscroll wheel design. The result is a wireless mouse that weighs in at only 107g, maximizing comfort over extended periods of use and delivering quicker response to motion.

Ambidextrous Design

Customizable to fit your hand and style

Fully-configurable button layout and ambidextrous design allow for left- or right-handed use that works with nearly any mouse grip style, including palm, claw and fingertip grips.

Power efficient technology

For high-endurance gameplay

Chaos Spectrum features exclusive clock-tuning technology that significantly reduces power consumption, so you can play for a continuous 32 hours — an entire competition weekend — on a single charge.* Battery Assistant in Logitech Gaming Software keeps you informed about your charge level and gives you an estimate of your remaining battery life.

  • *Battery life up to 32 hours with lighting off, or 24 hours with default lighting.

Exclusive Clock-Tuning Technology

Faster and more reliable

Chaos Spectrum clock-tuning technology maximizes speed and battery life while minimizing degradation commonly caused by temperature, humidity, aging and part-to-part variances.

Mechanical Pivot Button Design

Fast, accurate and reliable click performance

A metal spring tensioning system and metal pivot hinges are built into left and right mouse buttons for a crisp, clean click feel with rapid click feedback. This system helps reduce the pre-travel distance between buttons and switches while also reducing the force required to click — enabling faster recovery after each click. In addition, this system helps ensure a lower, more consistent and predictable click force from click to click.

11 Programmable Buttons

Control at your fingertips

Use Logitech Gaming Software to program your favorite commands and macros to each of the up to 11 buttons.

Get Logitech Gaming Software

Programmable RGB Lighting

Choose from 16.8 million colors

Chaos Spectrum features two lighting zones that can be customized independently to match your style, system or environment. With Logitech Gaming Software, you can select from a spectrum of up to 16.8 million colors and synchronize lighting patterns and effects with other Logitech G devices.
Learn more

Wired and Wireless

Best of both worlds

Plug in the data and charging cable to seamlessly switch between wireless and wired modes without interrupting your game.


Part Number
Warranty Information
2-Year Limited Hardware Warranty
System Requirements
Windows® 10, Windows 8.1, Windows 8, Windows 7
Powered USB port
Internet connection for optional software download
Package Contents
Charging/data cable
Wireless USB adapter
Cable adapter
Accessories case
Side button caps (2x left, 2x right)
Side button covers (left, right)
User documentation
Technical Specification
Resolution: 200 – 12,000 dpi
Max. acceleration: >40G*
Max. speed: >300 ips*

* Tested on Logitech G240 Gaming Mouse Pad

USB data format: 16 bits/axis
USB report rate: 1000 Hz (1ms)
Wireless report rate: 1000Hz (1ms)
Wireless technology: Custom 2.4GHz
Microprocessor: 32-bit ARM
Dynamic coefficient of friction:* 0.11 μ (k)*
Static coefficient of friction:* 0.17 μ (s)*

*Tested on wood-veneer desktop

Buttons (Left / Right): 20 million clicks
Feet: 250 kilometers
Battery Life
Default lighting: 24 hours
No lighting: 32 hours
Mouse Specifications
Connection Type: Wired/Wireless
USB Protocol: USB 2.0
DPI (Min/Max): 200-12,000
USB Report Rate: 1ms
Sensor: PMW3366
Indicator Lights (LED): Yes, RGB
Buttons: 6-11
Other Features: Hyperfast scroll wheel, on-the-fly DPS adjustment, up to 5 onboard profiles
Physical specifications
Height: 5.12 in (130 mm)
Width: 2.64 in (67 mm)
Depth: 1.57 in (40 mm)
Weight: 3.80 oz (107 g) mouse only 
Cable Length (Power/Charging): 6 ft (1.83 M)