Logitech MX Keys S | A Comprehensive Review of the Smart Keyboard

Published: 15 Jun 2025

The Logitech MX Keys S is a high-performance wireless keyboard tailored for professionals such as office workers, programmers, and creatives who demand efficiency and comfort in their typing experience. Building upon the success of its predecessor, the MX Keys, this updated model offers enhanced features while maintaining the sleek, low-profile design that appeals to users spending extended periods at their desks.

Notable features of the MX mechanical keyboard include smart illumination that adjusts based on ambient lighting and hand proximity, multi-device connectivity allowing seamless switching between up to three devices, and programmable keys for customized workflows. These elements combine to give a fluid and responsive typing experience, making the Logi MX Keys S a standout choice for professionals seeking both functionality and convenience.

Table of Content

Logitech MX Keys S Keyboard – Key Features

Features	Details
Layout	Full-size (includes numpad), ANSI layout (US) / ISO (EU) variants available
Switch Type	Scissor switches (low-profile, laptop-like feel)
Keyboard Type	Wireless membrane keyboard
Number of keys	~108 (may vary slightly by region)
Programmable Keys	Yes (through Logi Options+ software)
Back Lighting	Yes – Smart backlighting with proximity sensor
Connectivity	Bluetooth + Logi Bolt USB Receiver (dual connectivity)
Battery Life	1500mAh, Up to 10 days (with backlight), up to 5 months (without backlight)
Software Support	Logi Options+ (Windows & macOS)
Key Features	Smart Illumination, Flow-enabled multi-device switching, USB-C charging
Media Control	Dedicated media function keys (play/pause, volume, etc.)
Compatible	Windows, macOS, Linux, ChromeOS, iPadOS, Android
Build Material	Top plate: Metal (aluminum-like), Base: Plastic
Sound Level	Quiet – suitable for noise-sensitive environments
Touch Pad or Track Ball	NO
USB Passthrough	NO
Best For	Professionals, writers, programmers, and multi-device users

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MX Keys S – Design And Build Quality

The Logitech MX Keys S is a full-size wireless keyboard designed with both aesthetics and functionality in mind. It measures approximately 16.93 inches in width, 5.18 inches in depth, and 0.8 inches in height, and weighs around 2.38 pounds, providing a stable presence on the desk. The keyboard is available in a sophisticated Graphite colour, offering a sleek and modern appearance that complements various workspace setups.

Constructed with high-quality materials, the MX Keys Keyboard features a low-profile design that promotes better wrist posture and reduces strain on the joints, enhancing typing comfort. The keys are spherically dished to match the shape of fingertips, facilitating precise and fluid typing. While the Keys MX keyboard does not include a built-in wrist rest, its optimal keyboard angle and low-profile structure provide ergonomic support during extended use.

In terms of durability, the MX mechanical keyboard boasts a solid build quality that ensures longevity. The weight of the keyboard, combined with rubber feet, keeps it firmly in place during use, preventing any unwanted movement. Although it lacks RGB lighting, the keyboard is equipped with smart backlighting that adjusts based on ambient lighting conditions and hand proximity, ensuring optimal visibility in various environments. Regarding portability, while the MX Keys S is relatively lightweight, its full-size layout may make it less convenient for frequent transport compared to more compact keyboards.

Logitech MX – Features And Specifications

The Logitech MX Keys Keyboard is designed to cater to professionals seeking a seamless and efficient typing experience. Here’s an overview of its features and specifications:

Connectivity Options:

The MX Keys S connects via Bluetooth Low Energy, allowing pairing with up to three devices at the same time. You can shift between devices effortlessly using dedicated keys.

Switch Type and Typing Feel:

The MX Keyboard employs scissor-actuated key switches, providing a comfortable and tactile typing experience. This design offers a balance between the responsive feel of mechanical switches and the quiet operation of membrane keyboards.

Battery Life and Charging Method:

The MX Keys S combo features a USB-C rechargeable battery. Battery life varies based on backlighting usage.

Extra Features:

Smart Backlighting: The Mx keys wireless illuminated Keyboard is equipped with hand proximity sensors, the keyboard’s backlight turns on as hands approach and adjusts brightness based on ambient light conditions, enhancing both usability and battery efficiency.
Programmable Keys: In the Logi MX Keyboard, you can customize keys to perform specific functions or macros, streamlining workflows and increasing productivity.
Cross-Platform Compatibility: The MX Keys S is designed for cross-use, such as Windows, macOS, Linux, ChromeOS, iPadOS, iOS, and Android, making it versatile for various device ecosystems.

While the MX Keys S Keyboard lacks RGB lighting and dedicated macro keys, its focus on intelligent features like smart backlighting, multi-device connectivity, and programmable keys positions it as a top choice for professionals seeking a reliable and efficient keyboard.

Logitech MX Keys – Performance and Typing Experience

The Logitech mechanical keyboard delivers a refined typing experience tailored for professionals and everyday users. Here’s an in-depth look at its performance and typing characteristics:

Comfort Level for Typing and Gaming:

Typing: The MX Keys S features spherically-dished keys that conform to the shape of your fingertips, promoting precise and comfortable typing. Its low-profile design allows for a natural wrist position, reducing strain during prolonged use.
Gaming: While primarily designed for productivity, the MX Keys S wireless keyboard can handle casual gaming. However, its scissor switches may not offer the rapid actuation or tactile feedback preferred by dedicated gamers.

Key Responsiveness and Actuation Force:

The MX mechanical keyboard employs scissor switches with minimal travel and effortless keystrokes, resulting in a light and responsive typing feel. This design facilitates quick keystrokes and minimises fatigue during extended typing sessions.

Noise Level (Silent or Clicky):

The MX Keys S operates quietly, making it suitable for shared workspaces or environments where noise is a concern. The scissor switches provide a muted typing sound without compromising responsiveness.

Stability and Anti-Ghosting/N-Key Rollover Support:

The MX keyboard’s solid construction ensures stability on the desk, preventing any unwanted movement during use. While specific details about anti-ghosting or N-key rollover are not prominently advertised, the MX Keys S performs reliably for standard typing tasks. For high-speed gaming scenarios requiring advanced key rollover capabilities, a gaming-specific keyboard might be more appropriate.

The Logitech MX Keys S Wireless Keyboard gives a relaxed and efficient typing experience with responsive and quiet keys. Its design focuses on productivity and professional use, making it an excellent choice for you seeking a high-quality keyboard for daily tasks.

Logi MX Keys S – Software and Customisation

The Logitech MX Keys Keyboard combo offers extensive software support and customisation options through the Logi Options+ application, enhancing its functionality across various operating systems.

Compatibility with Different Operating Systems:

The Logi MX Keys S is designed to work smoothly with different operating systems, such as Windows, macOS, Linux, ChromeOS, iPadOS, iOS, and Android. This broad compatibility allows users to maintain a consistent and efficient workflow across different devices.

Software Support for Remapping Keys, Macros, and Lighting Effects:

Logi Options+ is the dedicated software that enables you to customise the MX Keys S to your preferences.

Key features include:

Key Remapping: You can assign specific functions or shortcuts to individual keys, tailoring the keyboard to your workflow.
Smart Actions (Macros): This MX Keyboard feature allows the automation of multiple tasks with a single keystroke, streamlining repetitive actions and enhancing productivity.
Application-Specific Profiles: In this MX Keys Keyboard, you can create customised key configurations for different applications, optimising the keyboard’s functionality based on the software in use.
Backlighting Customisation: While the MX Keys S features smart backlighting that adjusts based on ambient light and hand proximity, you can further personalise backlighting settings through Logi Options+, including brightness levels and duration.

MX Keys – New Smart Function Keys

Emoji, Dictation, and Mic Mute/Unmute

The Logitech MX Keyboard now features smarter Fn keys, giving you quick access to essential functions.

Mic Mute/Unmute Key: Instantly mute or unmute your microphone for seamless video calls.
Emoji Key: Open the emoji window to send the perfect reaction at the right moment.
Dictation Key: Activate talk-to-text for effortless typing (available on select Windows and macOS versions). To unlock these features, install the Logi Options+ app on Windows or macOS.
To unlock these features, install the Logi Options+ app on Windows or macOS.

MX Keys – Ease of Use and Potential Drawbacks:

Logi Options+ is designed with a user-friendly interface, making the customisation process straightforward. However, to access these features, you are required to install the software and may need to create a Logitech account. While the software significantly enhances the keyboard’s functionality, some users might prefer not to install additional applications or create accounts. Additionally, the availability and extent of certain features may vary depending on the operating system, so it’s advisable to verify compatibility with your specific setup.

Logitech MX Keys S – Pros and Cons

Pros

Elegant and Functional Design: The Logitech MX Keys S boasts a sleek, low-profile design with spherically dished keys that conform to your fingertips, enhancing typing comfort and accuracy.
Excellent Typing Experience: This Logi MX Keyboard’s scissor-switch keys provide a comfortable and tactile typing experience, making it suitable for long typing sessions.
Smart Backlighting: The MX mechanical keyboard features smart illumination that automatically adjusts to surrounding lighting conditions, enhancing usability in various environments.
Multi-Device Connectivity: With support for both Bluetooth and Logitech’s proprietary Bolt wireless dongle, the keys MX can seamlessly switch between three devices, accommodating diverse workflows.
Extensive Customisation: The integration with Logi Options+ software allows for key remapping, macro programming, and application-specific profiles, tailoring the keyboard to individual preferences.

Cons

Minimal Upgrades Over Predecessor: The Logi MX Keys keyboard offers only slight improvements over the previous MX Keys model, which may not justify an upgrade for existing users.
Uncomfortable Wrist Rest: The Logitech mechanical keyboard offers a wrist rest that is thin, uncomfortable, and sold separately, which may detract from the overall user experience.
Limited Backlighting: The backlighting is dim and lacks dedicated controls, which may be a drawback for users who frequently work in low-light conditions.

Conclusion

The Logitech MX Keys S is a premium wireless keyboard designed to enhance productivity and provide a comfortable typing experience. Its sleek, low-profile design, responsive scissor-switch keys, and intelligent backlighting make it a compelling choice for professionals and everyday users alike. The keyboard’s multi-device connectivity and extensive customisation options further contribute to its versatility.

Ideal for:

Professionals and Office Workers: The MX Keys S offers a comfortable and efficient typing experience, making it suitable for individuals who spend extended periods typing or managing multiple devices.
Multi-Device Users: This Logitech Wireless Keyboard with seamless switching between up to three computers, it perfect for those who operate across various platforms.

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Logitech MX Keys S – Alternatives:

If the Logitech MX Keys S isn’t the right fit, here are three solid alternatives, each with unique features catering to different preferences.

Keychron K2

Key Features:

Compact 75% layout with mechanical switches (Gateron Red, Blue, or Brown).
Wireless and wired connectivity via Bluetooth and USB-C.
Mac and Windows compatibility with dedicated keycaps.
Long battery life (up to 240 hours without backlight).
RGB or white backlighting options.

If you love the tactile feel of a mechanical keyboard and want something more compact than the MX Keys S, the Keychron K2 is a great option. It’s versatile, customizable, and offers a premium typing experience.

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Logitech K780

Key Features:

Full-sized layout with a built-in device stand.
Seamless multi-device pairing (Bluetooth and USB receiver).
Silent membrane keys for a quiet typing experience.
Long battery life (up to 2 years on AAA batteries).

If you want a quieter keyboard with multi-device support, the K780 is an excellent alternative. It even holds your phone or tablet for easy switching between devices.

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Aula F99 Wireless Keyboard

Key Features:

Compact 96% layout (full-sized functionality in a smaller frame).
Wireless (Bluetooth & 2.4GHz) and wired USB-C modes.
Hot-swappable mechanical switches for customisation.
RGB backlighting with multiple effects.

If you’re looking for a budget-friendly mechanical keyboard with wireless connectivity and RGB lighting, the Aula F99 is a great choice. It’s affordable yet offers a satisfying typing experience.

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