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Trueque KM31 Wireless Keyboard and Mouse Combo - vs ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size

Updated August 2026 — Trueque KM31 Wireless Keyboard and Mouse Combo - wins on noise and battery, ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size wins on price and compatibility.

The Trueque KM31 offers excellent value with its quiet typing and lower price, while the ULSOU Combo provides ergonomic benefits and broader compatibility.

Why Trueque KM31 Wireless Keyboard and Mouse Combo - is better

Price

Trueque KM31 is $18.99 compared to ULSOU's $45.99.

Battery Life

Trueque offers up to 90 days for the keyboard.

Noise Level

Trueque provides over 97% noise reduction.

Why ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size is better

Ergonomics

ULSOU features a wave design for wrist comfort.

Compatibility

ULSOU supports a wider range of operating systems.

Mouse Functionality

ULSOU mouse includes forward and back functions.

Overall score

Trueque KM31 Wireless Keyboard and Mouse Combo -
85
ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size
72

Specifications

SpecTrueque KM31 Wireless Keyboard and Mouse Combo -ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size
Keyboard TypeFull-SizeWave Ergonomic
Mouse TypeSilentContoured
Connection2.4 GHz2.4 GHz
Battery TypeAAA/AAAA
Multimedia KeysYesNo

Dimension comparison

Trueque KM31 Wireless Keyboard and Mouse Combo -ULSOU Wireless Keyboard and Mouse Combo, 2.4G Full Size

Overview of the Products

In this comparison, we will examine the Trueque KM31 Wireless Keyboard and Mouse Combo and the Wireless Keyboard and Mouse Combo by ULSOU. The Trueque option is priced at $18.99, while the ULSOU model is significantly more expensive at $45.99, making it about 142% higher in price. Both products cater to users seeking wireless solutions for their computing needs, but they differ significantly in design, features, and overall comfort.

Design and Ergonomics

The Trueque KM31 features a full-size keyboard layout with a palm rest and adjustable tilt legs, designed for comfort during extended typing sessions. Its streamlined mouse design emphasizes ease of use, promoting a comfortable grip for users. On the other hand, the ULSOU Combo boasts a wave ergonomic keyboard with a wrist rest that promotes a natural hand position, reducing wrist strain. It also includes an adjustable stand for customizable height, catering to long-term use. While both designs aim for ergonomics, the ULSOU focuses more on wrist health with its wave design, which may appeal to users with existing discomfort.

Battery Life and Power Efficiency

Battery life is a crucial factor in wireless devices, and the Trueque KM31 excels in this area, providing up to 90 days of use for the keyboard and 30 days for the mouse on included batteries. The ULSOU model features an automatic power-saving function, putting both devices to sleep after a period of inactivity to conserve battery life. However, the specific battery life duration is not explicitly stated for either device. While both combos are energy-efficient, the Trueque's impressive longevity may make it a better choice for users looking to minimize battery replacements.

Connectivity and Compatibility

Both the Trueque KM31 and ULSOU Combo utilize a 2.4 GHz wireless connection, allowing for a reliable signal up to 10 meters away. The Trueque model is compatible with Windows and Chrome OS, while the ULSOU Combo supports a wider range of operating systems, including Windows XP through 11 and Mac. This broad compatibility makes the ULSOU Combo a more versatile choice for users with multiple devices. However, the Trueque's simplicity and ease of plug-and-play functionality may appeal to those who prioritize straightforward setups.

Typing Experience

The typing experience on the Trueque KM31 is characterized by its low-profile keys that facilitate fluid and quiet typing. It aims to reduce noise by over 97%, appealing to users in shared or quiet environments. In contrast, the ULSOU Combo's wave ergonomic design is intended to fit the natural curvature of the fingers, enhancing comfort during prolonged use. While both keyboards focus on user comfort, the Trueque may be more suitable for environments demanding minimal noise, whereas the ULSOU caters to ergonomic needs.

Mouse Design and Functionality

The Trueque KM31's wireless mouse is designed for silent operation, with a rubber scroll wheel that glides quietly. This design aligns with the keyboard's focus on quiet performance. The ULSOU mouse, on the other hand, is contoured to fit snugly in the palm and includes back and forward functions, enhancing navigation efficiency. For users prioritizing a silent experience, the Trueque mouse is superior, but the ULSOU model provides more functionality for those who navigate extensively on the web.

Additional Features

The Trueque KM31 includes a built-in phone and tablet holder, providing a convenient space for users to keep their devices within easy reach while working. This feature is particularly beneficial for multitaskers. The ULSOU Combo offers a dual system layout for switching between Windows and macOS, which may appeal to users who frequently switch between different operating systems. While both products have unique additional features, the choice may depend on the user's specific needs for device management.

Price Comparison

At $18.99, the Trueque KM31 offers a budget-friendly option for users seeking a solid wireless keyboard and mouse combo. In contrast, the ULSOU Combo is priced at $45.99, making it about $27 more expensive. This price difference of approximately 142% could be a significant factor for users on a budget. While the ULSOU Combo offers advanced ergonomic features and broader compatibility, the Trueque's lower price point provides excellent value for users who want essential features without breaking the bank.

Which should you buy?

Ultimately, the decision between the Trueque KM31 Wireless Keyboard and Mouse Combo and the ULSOU Wireless Combo comes down to personal preference and specific needs. If budget is a priority and you seek a straightforward, quiet typing experience, the Trueque KM31 is an excellent choice. However, if you value ergonomic design, a wider compatibility range, and additional mouse functionality, the ULSOU Combo may justify its higher price. Consider your typing habits, device compatibility, and comfort needs when making your choice.