ProtoArc Ergonomic Mouse, EM11 NL Bluetooth vs Rii Wireless Mouse, 2.4G Portable Computer Mice
Updated August 2026 — ProtoArc Ergonomic Mouse, EM11 NL Bluetooth wins on connectivity and battery, Rii Wireless Mouse, 2.4G Portable Computer Mice wins on price.
The ProtoArc Ergonomic Mouse offers superior ergonomic features and multi-device connectivity, making it the better choice for long-term comfort. The Rii Wireless Mouse is a budget-friendly option for basic use.
Why ProtoArc Ergonomic Mouse, EM11 NL Bluetooth is better
Ergonomics
ProtoArc's vertical design reduces wrist strain.
Multi-Device
ProtoArc connects to three devices simultaneously.
Rechargeable
ProtoArc has a built-in rechargeable battery.
Why Rii Wireless Mouse, 2.4G Portable Computer Mice is better
Price
Rii is significantly cheaper.
Simplicity
Rii offers a straightforward plug-and-play setup.
Lightweight
Rii is more portable due to its compact design.
Overall score
Specifications
| Spec | ProtoArc Ergonomic Mouse, EM11 NL Bluetooth | Rii Wireless Mouse, 2.4G Portable Computer Mice |
|---|---|---|
| DPI Settings | 1000/1600/2400 | Not specified |
| Battery Type | Rechargeable | 2 AAA batteries |
| Device Support | 3 devices | 1 device |
| Design Type | Vertical | Traditional |
| Weight | Lightweight | Lightweight |
Dimension comparison
Design and Ergonomics
The ProtoArc Ergonomic Mouse features a vertical design that promotes wrist alignment, while the Rii Wireless Mouse opts for a traditional shape. The ergonomic design of the ProtoArc mouse is specifically engineered to reduce wrist strain by keeping the forearm in a natural position, which can significantly enhance comfort during prolonged use. This mouse is particularly well-suited for users with small to medium hands, as it is designed for hand lengths under 7.5 inches. In contrast, the Rii Wireless Mouse has an ergonomic design as well, but lacks the vertical alignment feature that can be beneficial for reducing discomfort.
Connectivity Options
When it comes to connectivity, the ProtoArc Ergonomic Mouse offers more versatility with its ability to connect up to three devices simultaneously via Bluetooth and a USB-A receiver. This multi-device functionality allows for seamless switching between devices, which is ideal for users who frequently work on multiple computers. On the other hand, the Rii Wireless Mouse utilizes a simple plug-and-play setup with its 2.4G wireless transmission, making it easy to connect but limited to a single device at a time.
Battery Life and Charging
The ProtoArc Ergonomic Mouse is equipped with a built-in 500mAh Li-Ion rechargeable battery, which can be charged using the included Type-C cable. This feature eliminates the need for constantly replacing batteries, providing a more sustainable option for users. Meanwhile, the Rii Wireless Mouse operates on two AAA batteries, which are not included, meaning that ongoing battery costs will be incurred. Although the Rii mouse has an affordable upfront price of $5.79, users should consider the additional cost of batteries in the long run.
Performance and Precision
In terms of performance, the ProtoArc mouse offers adjustable DPI settings of 1000, 1600, and 2400, allowing for precise optical tracking tailored to user preferences. This high level of sensitivity can significantly enhance productivity, especially for tasks that require detailed cursor movements. Conversely, while the Rii Wireless Mouse boasts a frame rate of up to 3600fps, it does not specify adjustable DPI settings, which may limit its usability for users seeking precise control.
Price Point
The ProtoArc Ergonomic Mouse is priced at $26.99, making it a more premium option compared to the Rii Wireless Mouse, which costs only $5.79. This means that the ProtoArc is about 367% more expensive than the Rii mouse. However, the additional features and ergonomic benefits of the ProtoArc may justify the higher price for users who prioritize comfort and functionality. On the other hand, the Rii mouse is a budget-friendly choice for users who need a basic wireless mouse without the added features of higher-priced models.
Compatibility
The ProtoArc Ergonomic Mouse is compatible with a wide range of operating systems, including Windows 8 and higher, Mac OS X 10.12 and higher, and Android 4.3 or higher. This broad compatibility ensures that users can seamlessly integrate the mouse into various setups. In contrast, the Rii Wireless Mouse also supports multiple operating systems, including Windows, Android, and Linux, making it a versatile option for general use. However, the ProtoArc's ability to connect to three devices at once gives it an edge in multitasking environments.
User Experience
The ProtoArc Ergonomic Mouse may require a learning curve for users new to vertical mice, as it takes time to adjust to the grip. Nevertheless, many users find that this adjustment leads to reduced wrist pain and increased comfort over time. The Rii Wireless Mouse, with its straightforward design and easy operation, is likely to be more immediately comfortable for users transitioning from a traditional mouse. However, it may not provide the long-term ergonomic benefits that the ProtoArc promises.
Which should you buy?
Choosing between the ProtoArc Ergonomic Mouse and the Rii Wireless Mouse largely depends on your specific needs and budget. If you prioritize ergonomic design, multi-device connectivity, and long-term comfort, the ProtoArc is the better choice despite its higher price tag of $26.99. However, if you're looking for a basic, budget-friendly option for casual use, the Rii Wireless Mouse at $5.79 provides essential functionality without breaking the bank. Ultimately, the decision should be based on your individual usage patterns and ergonomic needs.

