Logitech Ergo M575S Wireless Trackball Mouse vs ProtoArc Ergonomic Mouse, EM11 NL Bluetooth
Updated August 2026 — Logitech Ergo M575S Wireless Trackball Mouse wins on sustainability and price, ProtoArc Ergonomic Mouse, EM11 NL Bluetooth wins on connectivity.
The Logitech Ergo M575S offers superior ergonomics, battery life, and sustainable materials, making it the better choice overall. However, the ProtoArc is a budget-friendly option with multi-device connectivity.
Why Logitech Ergo M575S Wireless Trackball Mouse is better
Ergonomics
Logitech provides 25% less muscle strain.
Battery Life
Logitech lasts up to 18 months.
Sustainability
Logitech uses recycled materials.
Why ProtoArc Ergonomic Mouse, EM11 NL Bluetooth is better
Price
ProtoArc is 46% cheaper.
Multi-Device
ProtoArc connects to 3 devices simultaneously.
Rechargeable
ProtoArc has a rechargeable battery.
Overall score
Specifications
| Spec | Logitech Ergo M575S Wireless Trackball Mouse | ProtoArc Ergonomic Mouse, EM11 NL Bluetooth |
|---|---|---|
| Brand | Logitech | ProtoArc |
| Model | M575S | EM11 NL |
| Battery Type | AA | Li-Ion |
| DPI Levels | Customizable | 1000/1600/2400 |
| Weight | Unknown | Unknown |
Dimension comparison
Price Comparison
The Logitech Ergo M575S Wireless Trackball Mouse is priced at $49.99, while the ProtoArc Ergonomic Mouse costs $26.99, making the ProtoArc about 46% cheaper. This significant price difference may attract budget-conscious consumers, especially those looking for an ergonomic solution without breaking the bank. While both products offer unique ergonomic features, the price disparity suggests that the ProtoArc might be a more accessible option for those who are hesitant to invest heavily in a mouse.
Ergonomics and Design
When it comes to ergonomics, both the Logitech Ergo M575S and the ProtoArc Ergonomic Mouse prioritize user comfort but achieve it through different designs. The Logitech model features a sculpted shape that supports the hand and helps align the forearm for better posture, claiming to provide 25% less muscle strain in the forearm. In contrast, the ProtoArc mouse employs a vertical design that keeps the wrist straight, aiming to reduce discomfort and strain. This design may be particularly beneficial for users with small to medium hands, as it's tailored for hand lengths under 7.5 inches. Both mice focus on reducing strain, but their distinct designs cater to different preferences in comfort.
Connectivity Options
The Logitech Ergo M575S offers versatile connectivity through Bluetooth and the included Logi Bolt USB receiver, allowing users to connect easily to their devices. It can be used with PCs and Macs, making it quite versatile. On the other hand, the ProtoArc Ergonomic Mouse allows simultaneous connection to up to three devices through dual Bluetooth 5.0 and 2.4G USB-A modes, providing excellent flexibility for users who frequently switch between devices. However, it should be noted that the ProtoArc mouse only includes a USB-A receiver, requiring users to ensure compatibility with their devices. Both mice present strong connectivity options, but the ProtoArc's multi-device capability may appeal to those needing to work across various setups.
Battery Life
In terms of battery life, the Logitech Ergo M575S boasts an impressive duration of up to 18 months on a single AA battery, emphasizing convenience and low maintenance. This long battery life is particularly appealing for users who prefer a hassle-free experience. Conversely, the ProtoArc Ergonomic Mouse features a rechargeable 500mAh Li-Ion battery, which can be charged using a Type-C cable. While it lacks the longevity of the Logitech model, the ability to recharge may be seen as an advantage for users who prefer not to replace batteries regularly. Ultimately, the choice between long battery life and recharging convenience depends on user preferences.
Customization Features
Customization is a strong point for both mice, though they approach it differently. The Logitech Ergo M575S comes with three customizable buttons and allows users to adjust cursor speed through the Logi Options+ app, providing a tailored experience that can enhance productivity. The ProtoArc Ergonomic Mouse provides adjustable DPI levels of 1000, 1600, and 2400, allowing users greater precision in tracking. However, it does not offer programmable buttons, which may limit its customization potential compared to the Logitech model. Users looking for more extensive personalization might prefer the Logitech Ergo M575S, while those who prioritize sensitivity might lean toward the ProtoArc.
Build Materials and Sustainability
Sustainability is a noteworthy aspect of the Logitech Ergo M575S, as it is made with certified post-consumer recycled plastic, with 52% for the Graphite option. This eco-friendly initiative may resonate with environmentally conscious consumers looking to reduce their carbon footprint. The ProtoArc Ergonomic Mouse does not mention any sustainable materials in its construction, focusing instead on performance and ergonomic design. For consumers who value eco-friendly products, the Logitech Ergo M575S presents a compelling choice, while the ProtoArc may appeal more to those focused solely on functionality and price.
User Experience and Comfort
User experience is paramount when it comes to ergonomic devices, and both mice have their strengths. The Logitech Ergo M575S has been user-tested and certified by ergonomists, which adds a layer of credibility to its comfort claims. The smooth thumb control allows for movement without the need to shift the whole hand, making it suitable for tight spaces. Meanwhile, the ProtoArc Ergonomic Mouse encourages users to adapt to a new grip style, which may require an adjustment period. Some users might find this transition challenging, but many report reduced wrist pressure after acclimating. Therefore, those who value proven ergonomic design might prefer the Logitech, while others willing to adapt could find comfort in the ProtoArc.
Which should you buy?
Ultimately, the choice between the Logitech Ergo M575S Wireless Trackball Mouse and the ProtoArc Ergonomic Mouse depends on individual needs and preferences. If you prioritize proven ergonomic design, long battery life, and sustainable materials, the Logitech model is a strong contender. However, if you are looking for a budget-friendly option with multi-device connectivity and a unique vertical design, the ProtoArc mouse could be the right fit. Consider your usage patterns, comfort preferences, and budget to determine which mouse will serve you best in your daily tasks.

