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Logitech MK345 Wireless Keyboard and Mouse Combo vs ProtoArc Backlit Bluetooth Keyboard and Mouse for

Updated August 2026 — Logitech MK345 Wireless Keyboard and Mouse Combo wins on battery and compatibility, ProtoArc Backlit Bluetooth Keyboard and Mouse for wins on price and design.

The Logitech MK345 offers great value and compatibility across multiple systems, while the ProtoArc KM100-A provides premium features for Mac users. Choose based on your specific needs.

Why Logitech MK345 Wireless Keyboard and Mouse Combo is better

Price

MK345 is significantly cheaper at $32.75.

Compatibility

MK345 works with Windows, macOS, and ChromeOS.

Battery Life

MK345 has a longer battery life of up to 3 years.

Why ProtoArc Backlit Bluetooth Keyboard and Mouse for is better

Backlighting

KM100-A features adjustable backlighting.

Multi-Device

KM100-A can connect to three devices simultaneously.

Design

KM100-A has a flat design for better wrist positioning.

Overall score

Logitech MK345 Wireless Keyboard and Mouse Combo
85
ProtoArc Backlit Bluetooth Keyboard and Mouse for
78

Specifications

SpecLogitech MK345 Wireless Keyboard and Mouse ComboProtoArc Backlit Bluetooth Keyboard and Mouse for
Wireless Type2.4 GHzBluetooth 5.1
Backlit KeysNoYes
RechargeableNoYes
Multi-DeviceNoYes
Battery Life3 yearsRechargeable

Dimension comparison

Logitech MK345 Wireless Keyboard and Mouse ComboProtoArc Backlit Bluetooth Keyboard and Mouse for

Overview of the Logitech MK345 and ProtoArc KM100-A

The Logitech MK345 is priced at $32.75, making it about 45% cheaper than the ProtoArc KM100-A, which retails for $59.99. This price difference is significant for those on a budget. The MK345 offers a full-size wireless keyboard and mouse combo that is compatible with multiple operating systems, while the KM100-A is tailored exclusively for Mac users, providing features like backlit keys and multi-device connectivity.

Design and Build Quality

The Logitech MK345 features a comfortable full-size keyboard layout with a palm rest, which is ideal for prolonged typing sessions. It has a spill-resistant design, making it suitable for everyday use in various environments. In contrast, the ProtoArc KM100-A is designed with a flat profile that encourages a neutral wrist position, minimizing strain during typing. This keyboard closely resembles Apple's Magic Keyboard but offers additional features such as three levels of adjustable backlighting, which is particularly useful in low-light conditions.

Connectivity Options

The MK345 employs a dependable 2.4 GHz wireless connection, providing a range of up to 10 meters, making it versatile for home or office use. It supports plug-and-play functionality across Windows, macOS, and ChromeOS. On the other hand, the ProtoArc KM100-A utilizes Bluetooth 5.1, allowing it to connect to up to three devices simultaneously. This capability is attractive for users who frequently switch between multiple Apple devices, although it lacks a USB dongle for direct connection.

Battery Life

Battery life is a strong point for the Logitech MK345, with the keyboard lasting up to three years and the mouse up to 18 months on a single set of batteries. This means less hassle with frequent battery replacements. Meanwhile, the ProtoArc KM100-A features built-in rechargeable batteries, boasting a 1200mAh capacity for the keyboard and 300mAh for the mouse. While it offers the convenience of rechargeability, users need to remember to charge the devices regularly, especially since the backlighting can drain the battery faster.

Typing Experience

When it comes to typing comfort, the MK345 provides a quiet typing experience with a familiar layout that many users will find comfortable. The included palm rest enhances this experience, especially for long typing sessions. In contrast, the ProtoArc KM100-A features scissor switches, which promote a responsive and quiet typing experience. Its low-profile keys aim to elevate fingertip comfort, making it suitable for heavy typers. However, the typing feel may vary significantly between these two models due to their distinct designs.

Compatibility

The Logitech MK345 offers broad compatibility across multiple operating systems, including Windows, macOS, and ChromeOS, making it a versatile choice for users with different devices. Conversely, the ProtoArc KM100-A is tailored specifically for Mac users, supporting Mac OS 10.12 or later, and is not compatible with Windows or Linux systems. This specialized design will appeal to dedicated Apple users but limits its usability for those with varied tech ecosystems.

Additional Features

The MK345 includes easy-access media keys, allowing for quick control over volume and other media functions, enhancing the user experience. Furthermore, its spill-resistant design adds a layer of durability. The ProtoArc KM100-A stands out with its customizable backlighting, which can be adjusted to three brightness levels. This feature is particularly beneficial for users working in dimly lit environments, but it does come at a higher price point.

Which should you buy?

Ultimately, choosing between the Logitech MK345 and the ProtoArc KM100-A depends on your specific needs and budget. The MK345 is a cost-effective option, priced at $32.75, and offers excellent versatility across operating systems, making it suitable for a wide range of users. In contrast, if you are a dedicated Mac user and value features like backlighting and multi-device connectivity, the ProtoArc KM100-A, priced at $59.99, may be worth the investment despite its higher cost. Consider your usage scenarios and preferences to determine which keyboard and mouse combo will best meet your needs.