ProtoArc Foldable Keyboard and Mouse, XKM01 True vs ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size
Updated August 2026 — ProtoArc Foldable Keyboard and Mouse, XKM01 True wins on portability and battery, ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size wins on ergonomics and value.
The ProtoArc Foldable Keyboard and Mouse excels in portability and advanced features, making it ideal for professionals on the go. The ULSOU combo offers great value for basic use.
Why ProtoArc Foldable Keyboard and Mouse, XKM01 True is better
Portability
ProtoArc is foldable and travel-friendly.
Multi-device
ProtoArc connects to three devices seamlessly.
Rechargeable
ProtoArc has rechargeable batteries with long standby.
Why ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size is better
Price
ULSOU is significantly cheaper.
Ergonomics
ULSOU features a wrist rest for comfort.
Simplicity
ULSOU offers plug-and-play setup.
Overall score
Specifications
| Spec | ProtoArc Foldable Keyboard and Mouse, XKM01 True | ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size |
|---|---|---|
| DPI Settings | 3 levels | 1 level |
| Battery Type | Rechargeable | AA batteries |
| Device Support | 3 devices | 1 device |
| Weight | Lightweight | Standard |
| Price | $79.99 | $45.99 |
Dimension comparison
Design and Portability
The ProtoArc Foldable Keyboard and Mouse offers a unique folding design, making it particularly portable for business travel. Its ultra-slim profile and fold-and-go mechanism allow for quick deployment, which is a significant advantage for users on the move. In contrast, the Wireless Keyboard and Mouse Combo by ULSOU is designed with a more traditional ergonomic shape, featuring a wave key design with a wrist rest, which promotes comfort during long usage. However, it lacks the compactness and portability of the ProtoArc, making it less suitable for travel.
Features and Functionality
The ProtoArc Foldable Keyboard and Mouse stands out with its full-size 105-key layout and the ability to connect seamlessly to three devices across various operating systems, including Windows, macOS, and Android. This flexibility is ideal for hybrid workflows. On the other hand, the ULSOU combo features a plug-and-play 2.4 GHz wireless connection that is easy to set up and use, requiring no software downloads. While both products offer wireless connectivity, the ProtoArc's multi-device support and professional-grade features provide a more versatile experience, especially for tech-savvy users.
Performance and Efficiency
In terms of performance, the ProtoArc's mouse includes three adjustable DPI settings (1000, 1600, and 2400) for varying tasks, making it suitable for professionals who require precision. Furthermore, both devices in this combo offer rechargeable batteries, significantly extending their usability. The ULSOU combo, while providing adequate performance for everyday tasks, does not match the advanced features of the ProtoArc, especially in terms of mouse precision. The ULSOU's automatic power-saving function is beneficial, but it requires AA batteries, which could be seen as a drawback compared to the rechargeable nature of the ProtoArc.
Comfort and Ergonomics
Comfort is a highlighted feature of the ULSOU Wireless Keyboard and Mouse, thanks to its wave key design that fits the natural curve of the fingers and includes a wrist rest for added support. This ergonomic design can alleviate wrist strain during long work sessions, making it a good choice for users who prioritize comfort. In contrast, the ProtoArc's keyboard employs whisper-quiet scissor switches that enhance focus without disturbing others, making it suitable for quiet environments like libraries or coffee shops. However, it lacks a dedicated wrist rest, which some users may find less comfortable over extended periods.
Battery Life and Power Management
The ProtoArc Foldable Keyboard and Mouse boasts impressive battery life, with the keyboard capable of lasting up to 150 days on standby and the mouse up to 200 days. Both devices are rechargeable via a Type-C cable, eliminating the need for disposable batteries. In comparison, the ULSOU combo requires one AA battery each for the keyboard and mouse, which could become inconvenient, especially during long-term use where battery replacement is necessary. The ULSOU does feature an automatic power-saving mode, but the overall battery management of the ProtoArc is superior.
Price Comparison
The ProtoArc Foldable Keyboard and Mouse is priced at $79.99, while the ULSOU Wireless Keyboard and Mouse Combo is significantly cheaper at $45.99, making it about 43% less expensive. This price difference may appeal to budget-conscious consumers looking for basic functionality without the need for advanced features. However, the higher price of the ProtoArc reflects its added portability, multi-device connectivity, and professional-grade specifications, appealing to users willing to invest in a more versatile product.
Customer Support and Warranty
Both products come with an assurance of customer support; however, the ULSOU Wireless Keyboard and Mouse Combo emphasizes its after-sales service, promising assistance even beyond the standard return period. This commitment can provide peace of mind for customers who may have concerns post-purchase. The ProtoArc does not explicitly mention after-sales support, which could be a consideration for users who prioritize customer service in their purchasing decision.
Which should you buy?
Choosing between the ProtoArc Foldable Keyboard and Mouse and the ULSOU Wireless Keyboard and Mouse Combo ultimately depends on your specific needs. If portability, advanced features, and multi-device connectivity are your priorities, the ProtoArc is the better choice despite its higher price. However, if you are looking for an affordable, ergonomic keyboard and mouse combo for general use, the ULSOU offers excellent value at a significantly lower price. Consider your usage scenario, whether it’s business travel or everyday tasks, to make the best decision for your needs.

