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Logitech Ergo M575S Wireless Trackball Mouse vs Logitech M185 Wireless Mouse, 2.4GHz with USB Mini

Updated August 2026 — Logitech Ergo M575S Wireless Trackball Mouse leads on price and ergonomics.

The Logitech Ergo M575S offers superior ergonomics and features, making it ideal for long-term use, while the Logitech M185 is a budget-friendly option for casual users.

Why Logitech Ergo M575S Wireless Trackball Mouse is better

Ergonomics

Designed to reduce muscle strain by up to 25%.

Battery Life

Lasts up to 18 months on a single AA battery.

Connectivity

Offers Bluetooth and USB receiver options.

Why Logitech M185 Wireless Mouse, 2.4GHz with USB Mini is better

Price

Significantly cheaper at $17.99.

Portability

Compact design suitable for travel.

Simplicity

Easy plug-and-play setup.

Overall score

Logitech Ergo M575S Wireless Trackball Mouse
85
Logitech M185 Wireless Mouse, 2.4GHz with USB Mini
65

Specifications

SpecLogitech Ergo M575S Wireless Trackball MouseLogitech M185 Wireless Mouse, 2.4GHz with USB Mini
DPIN/A1000
TrackingTrackballOptical
WeightN/A0.075 kg
CompatibilityPC/MacPC/Mac
Warranty2 years3 years

Dimension comparison

Logitech Ergo M575S Wireless Trackball MouseLogitech M185 Wireless Mouse, 2.4GHz with USB Mini

Pricing Overview

The Logitech M185 Wireless Mouse is significantly more affordable than the Logitech Ergo M575S Wireless Trackball Mouse. Priced at $17.99, the M185 is about 64% cheaper than the Ergo M575S, which retails for $49.99. Given these price points, budget-conscious consumers might lean toward the M185, especially if they are looking for a basic yet reliable mouse. On the other hand, the higher price of the Ergo M575S reflects its advanced ergonomic design and specialized features aimed at reducing muscle strain, making it a worthwhile investment for those who spend long hours at their computers.

Design and Ergonomics

The design and ergonomics of the Logitech Ergo M575S are tailored for comfort, potentially making it a better choice for prolonged use. This trackball mouse is designed to minimize movement, allowing users to control the cursor with their thumb while keeping their hand relaxed. The ergonomic shape supports the hand and promotes better forearm posture, which can reduce muscle strain by up to 25%. In contrast, the Logitech M185, while compact and ambidextrous, follows a more traditional mouse design that may not offer the same level of comfort for extended sessions. Its contoured shape is comfortable for both right and left-handed users, but it lacks the specialized ergonomic features of the Ergo M575S.

Connectivity Options

When it comes to connectivity, the Logitech Ergo M575S offers more versatility. It can connect via Bluetooth or through the included Logi Bolt USB receiver, making it adaptable to various setups. The M185, however, relies solely on its nano USB receiver, which provides a reliable plug-and-play experience. While the M185's connection is straightforward and effective, the dual connectivity options of the Ergo M575S make it a more flexible choice for users who may want to switch between devices without hassle.

Battery Life

Battery life is an essential consideration for any wireless device, and here the Logitech Ergo M575S shines with a remarkable lifespan of up to 18 months on a single AA battery. This extended battery life minimizes the need for frequent replacements, making it very convenient for users who prefer to set their devices and forget them. The Logitech M185 also offers impressive battery longevity, lasting up to 12 months, but it does fall short of the Ergo M575S by about 50%. For users who prioritize longevity in their wireless devices, the Ergo M575S presents a clear advantage.

Performance and Tracking

In terms of performance and tracking, the Logitech Ergo M575S excels with its innovative trackball design, allowing for precise control without needing to move the entire mouse. This feature is advantageous in tight spaces or when using a multi-monitor setup. The M185, on the other hand, employs a 1000 DPI optical tracking system, which provides smooth and reliable performance for general use. While both mice perform adequately for everyday tasks, the specialized tracking capabilities of the Ergo M575S make it a superior choice for users who require precise movements, such as graphic designers or gamers.

Build Quality and Materials

Both the Logitech Ergo M575S and M185 are constructed with an emphasis on durability. Notably, the materials used in the Ergo M575S include certified post-consumer recycled plastic, with 52% of the plastic in the graphite version being recycled. This makes it a more environmentally friendly option. The M185 also incorporates recycled materials, with 77% of its plastic comprising certified post-consumer recycled content. While both products are built to last, the emphasis on sustainability in the Ergo M575S may appeal to eco-conscious consumers.

User Experience and Comfort

User experience varies between the two models, particularly in comfort levels during use. The Logitech Ergo M575S is designed for all-day comfort, having been tested and certified by ergonomists to ensure it reduces muscle strain. This makes it an excellent choice for users who find themselves working long hours at a desk. The M185, while comfortable for shorter sessions, may not provide the same level of ergonomic support. Users who prioritize comfort and are willing to invest a bit more may find the Ergo M575S to be a more suitable option for daily tasks.

Which should you buy?

Choosing between the Logitech Ergo M575S and the Logitech M185 Wireless Mouse ultimately depends on your specific needs and budget. If you are seeking a cost-effective solution for everyday tasks, the M185, priced at $17.99, offers great value with reliable performance and decent battery life. Conversely, if you spend long hours on your computer and prioritize comfort, ergonomics, and advanced features, the Ergo M575S, at $49.99, justifies its higher price tag with superior design and functionality. In summary, for casual users or those on a budget, the M185 is an excellent choice, while the Ergo M575S is ideal for those needing ergonomic support and flexibility.