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Logitech MX Master 4, Ergonomic Wireless Mouse vs ProtoArc Ergonomic Mouse, EM11 NL Bluetooth

Updated August 2026 — Logitech MX Master 4, Ergonomic Wireless Mouse leads on noise level and user feedback.

The Logitech MX Master 4 offers superior features and performance, making it ideal for professionals, while the ProtoArc Ergonomic Mouse is a budget-friendly option for casual users.

Why Logitech MX Master 4, Ergonomic Wireless Mouse is better

Advanced Features

MX Master 4 has haptic feedback and customizable buttons.

Performance

MX Master 4 features an 8000 DPI sensor and MagSpeed scrolling.

Battery Life

MX Master 4 lasts up to 70 days on a full charge.

Why ProtoArc Ergonomic Mouse, EM11 NL Bluetooth is better

Price

ProtoArc is significantly cheaper at $26.99.

Ergonomics

ProtoArc's vertical design is tailored for smaller hands.

Multi-Device

ProtoArc connects to up to 3 devices simultaneously.

Overall score

Logitech MX Master 4, Ergonomic Wireless Mouse
88
ProtoArc Ergonomic Mouse, EM11 NL Bluetooth
65

Specifications

SpecLogitech MX Master 4, Ergonomic Wireless MouseProtoArc Ergonomic Mouse, EM11 NL Bluetooth
ConnectivityBluetooth, USB-CBluetooth, USB-A
CustomizationExtensiveLimited
Scroll Speed1000 lines/secStandard
ErgonomicsHighMedium
RechargeableYesYes

Dimension comparison

Logitech MX Master 4, Ergonomic Wireless MouseProtoArc Ergonomic Mouse, EM11 NL Bluetooth

Price Comparison

The Logitech MX Master 4 is significantly more expensive than the ProtoArc Ergonomic Mouse, costing $119.99 compared to $26.99. This means that the MX Master 4 is about 344% pricier than the ProtoArc. The substantial price difference reflects the MX Master 4's advanced features and ergonomic design aimed at professionals and heavy users, while the ProtoArc provides a budget-friendly option with essential functionalities. If cost is a primary concern, the ProtoArc may be the more appealing choice, offering decent value for those who need basic ergonomic support without breaking the bank.

Design and Ergonomics

When it comes to design and ergonomics, the Logitech MX Master 4 is engineered for comfort with a natural tilt that reduces hand stress during prolonged use. This mouse is aimed at users who seek a refined experience, featuring a thumb scroll wheel and customizable buttons. In contrast, the ProtoArc Ergonomic Mouse adopts a vertical design that encourages a more natural wrist position, potentially reducing strain for users with smaller hands, specifically those under 7.5 inches in hand length. Each design caters to different ergonomic needs, with the MX Master 4 focusing on comprehensive features and the ProtoArc targeting comfort for smaller hands.

Connectivity Options

The Logitech MX Master 4 offers versatile connectivity options, featuring Bluetooth as well as a USB-C dongle for a strong, reliable connection. This mouse allows for seamless switching between devices, making it ideal for users who work across multiple platforms. Meanwhile, the ProtoArc Ergonomic Mouse supports dual Bluetooth and 2.4GHz USB-A connectivity, enabling connections to up to three devices simultaneously. While both mice provide robust connectivity, the MX Master 4's advanced radio chip delivers a more powerful performance, appealing to users who prioritize reliability in their wireless devices.

Battery Life

Battery life is a critical factor for users who dislike frequent recharging. The Logitech MX Master 4 excels in this area, offering up to 70 days of battery life on a full charge, with the added convenience of three hours of use from just a one-minute charge. This makes it an excellent option for those who value uninterrupted productivity. On the other hand, the ProtoArc Ergonomic Mouse features a built-in 500mAh Li-Ion battery that can be recharged via a Type-C cable. While it does not specify the total battery life, the rechargeable aspect ensures that users can keep it powered without needing disposable batteries.

Performance Features

In terms of performance, the Logitech MX Master 4 stands out with its 8,000 DPI sensor, which tracks on any surface, even glass. It features the MagSpeed scroll wheel, allowing users to scroll through 1,000 lines per second, which is particularly beneficial for those who work with extensive documents or data. The ProtoArc Ergonomic Mouse, however, offers adjustable DPI settings of 1,000, 1,600, and 2,400, providing more sensitivity than standard optical mice. While the ProtoArc does deliver decent performance, it cannot match the advanced scrolling and tracking capabilities of the MX Master 4, making it more suitable for casual users.

Customization Options

The Logitech MX Master 4 provides extensive customization options through the Logi Options+ app, allowing users to tailor settings, shortcuts, and haptic feedback to their preferences. This adaptability can significantly enhance productivity, especially for users who engage in complex workflows. In contrast, the ProtoArc Ergonomic Mouse has limited customization, as its buttons are not programmable. While it offers basic functions for browsing and navigation, it does not provide the same level of personalized control that the MX Master 4 allows. For users seeking a customizable experience, the MX Master 4 is the clear winner.

Target Audience

The target audience for the Logitech MX Master 4 includes professionals, creatives, and heavy computer users who require high precision and advanced features for productivity. Its sophisticated design and extensive features make it ideal for those who spend long hours at the computer. Conversely, the ProtoArc Ergonomic Mouse is designed for casual users or those needing budget-friendly ergonomic support. Its vertical design caters specifically to individuals with smaller hands, making it a suitable option for students or light computer users who prioritize comfort over advanced functionalities.

Which should you buy?

In conclusion, the choice between the Logitech MX Master 4 and the ProtoArc Ergonomic Mouse ultimately depends on your specific needs and budget. If you are looking for a high-performance mouse with advanced features, extensive customization options, and superior ergonomics, the MX Master 4 is worth the investment at $119.99. However, if you are seeking a budget-friendly option that provides basic ergonomic benefits and can connect to multiple devices, the ProtoArc at $26.99 is an excellent choice. Consider your usage patterns and requirements to make the best decision for your computing needs.