Logitech MX Mechanical Wireless Illuminated Performance Keyboard, Linear Switches, Backlit Keys, Bluetooth, USB-C, macOS, Windows, Linux, iOS, Android, Metal
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AI Verdict
This full-size, 2.47-pound low-profile mechanical keyboard with linear switches and multi-device Bluetooth is for productivity users needing seamless switching and deep software customization.
This keyboard is a strong fit for productivity-focused users who value multi-device connectivity and software customization. Its low-profile linear switches and smart backlighting cater to comfortable, efficient typing across various operating systems. The 2.47-pound weight and full-size layout are suited for a stationary desk setup.
If you need a more portable option, look for a keyboard under 1.5 pounds with a compact layout.
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Pros
- Connects to up to 3 devices via Bluetooth or Logi Bolt receiver with fast switching.
- Logi Options+ software allows customization of Fn keys, application-specific key mapping, and Flow cross-computer control.
- Backlit keys illuminate on hand approach and adjust to ambient light, visible in dim environments.
- Low-profile design and 8° fixed typing angle provide comfort for extended typing sessions.
- Keystrokes are cached when idle, preventing missed inputs upon reconnection.
- The keyboard features an aluminum top plate, contributing to its build quality.
Cons
- ABS keycaps are prone to finger oils and lack the concave shape of other Logitech MX series keyboards.
- The keyboard is wireless-only, lacking a wired data mode, which can be problematic for signal strength or company computer restrictions.
- Some users report Bluetooth disconnection issues after 2-3 seconds of idle time, requiring a key press to reconnect.
- Battery life drops from 10 months without backlighting to 15 days with backlighting enabled.
- The 2.47-pound weight and 43cm width make it less portable for frequent travel.
Dimension Scores
The low-profile linear mechanical switches provide smooth, uninterrupted key travel, and the fixed 8° angle contributes to comfortable long typing sessions.
While multi-device switching is fast and reliable, some users report Bluetooth disconnections after 2-3 seconds of idle time.
The smart illumination feature, which lights keys on hand approach and adjusts to ambient light, is highly praised and effective.
The keyboard features an aluminum top plate and exhibits no flex, but the ABS keycaps are prone to finger oils and wear.
Best For
- Users who frequently switch between up to 3 devices (PC, macOS, iOS, Android) for productivity tasks.
- Individuals needing extensive key remapping and application-specific shortcuts via Logi Options+ software.
- Work environments where a full-size layout with a numpad is essential.
- Typists who prefer a low-profile mechanical feel with linear switches for smooth, quiet key travel.
Not Recommended For
- Reaction-based gamers due to reported latency that is not low enough for competitive play.
- Users who require a wired connection for data transmission or prefer to avoid wireless connectivity issues.
- Apple users relying on the Logi Bolt receiver, as it may experience issues with macOS recognition.
Watch Out For
- Bluetooth can disconnect after 2-3 seconds of inactivity, requiring a key press to re-establish connection.
- ABS keycaps show finger oils quickly and may wear out over time, with the spacebar being non-standard and not replaceable.
- Some keys have developed a slight squeak after approximately one month of regular use.
- The keyboard is wireless-only, meaning the USB-C cable is solely for charging and does not provide a wired data connection.
- The lock key cannot be disabled through the Logi Options+ software, requiring a workaround for users who accidentally press it.
Full Specifications
| ASIN | B09LK2Q3HL |
| Brand | Logitech |
| Color | Graphite |
| Style | Linear (smooth typing) |
| Series | MX Mechanical Master |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item Weight | 2.47 pounds |
| Manufacturer | Logitech |
| Power Source | Battery Powered |
| Special Feature | Illuminated |
| Operating System | Android, Chrome OS, Linux, Windows 10, Windows 11, iOS 14, iPadOS 14, macOS 10.15 |
| Hardware Platform | Laptop, PC |
| Item model number | 920-010548 |
| Compatible Devices | PC |
| Product Dimensions | 17.8 x 5.9 x 2.1 inches |
| Keyboard Description | Mechanical |
| Item Dimensions LxWxH | 17.8 x 5.9 x 2.1 inches |
| Connectivity Technology | Bluetooth |
| Recommended Uses For Product | Office |
| Keyboard backlighting color support | Single Color |
What Buyers Say
Many users highlight the powerful Logi Options+ software, praising its ability to customize Fn keys and enable application-specific shortcuts, making it a productivity powerhouse. However, a recurring complaint is the keyboard's wireless-only nature, with no wired data mode, which can lead to connectivity frustrations for some. The ABS keycaps, while functional, are often noted for attracting finger oils and not offering the same concave feel as other Logitech keyboards. Despite these points, the smart backlighting and quick multi-device switching are consistently appreciated.
“Ugh, this keyboard is so close to perfect but the Bluetooth keeps dropping out if I stop typing for a second, it's infuriating! And the keycaps get so greasy.”
Common Praise
- Software allows program-specific changes to function keys, enhancing workflow.
- Quick switching between up to 3 paired devices is fast and seamless.
- Backlit keys automatically light up when hands approach and adjust to ambient light.
- Low-profile design is comfortable for long typing sessions, even without a wrist rest.
- Keystrokes are cached when idle, preventing missed inputs when typing resumes.
Common Complaints
- Bluetooth disconnects if idle for 2-3 seconds, requiring a key press to reconnect.
- ABS keycaps show finger oils easily and are not concave like previous MX Keys models.
- No wired mode for data, only for charging, limiting connectivity options.
- Some users report keys sticking or repeating characters after a period of use.
- The battery drains significantly faster when backlighting is constantly on.
Ownership Tips
- The fixed 8° typing angle is comfortable for many, but some users wish for more adjustable angles.
- The full-size layout, while useful for numpad users, makes the keyboard less ideal for travel due to its 43cm width and 2.47-pound weight.
- The Logi Bolt receiver can have compatibility issues with Apple products, making Bluetooth the more reliable connection for macOS.
- The 'smart illumination' feature is genuinely useful for conserving battery life and adapting to changing light conditions.
- The absence of a wired data mode means you can't bypass potential wireless interference or use it in environments where wireless is restricted.
Frequently Asked Questions
Does this keyboard have RGB backlighting?
No, the Logitech MX Mechanical features single-color white backlighting only. It does not offer RGB lighting options.
Can I use this keyboard with a wired connection?
No, this keyboard is wireless-only. The USB-C cable included is strictly for charging the device, not for data transmission.
Is the keyboard compatible with multiple operating systems?
Yes, it is compatible with macOS, Windows, Linux, iOS, and Android, and can switch between up to three devices.
What kind of key switches does it use?
This specific model uses linear mechanical key switches, designed for smooth, uninterrupted key travel. Other MX Mechanical models offer tactile quiet or clicky switches.
How long does the battery last?
The battery lasts up to 15 days with backlighting enabled, or up to 10 months with the backlighting turned off.
Are the keycaps replaceable?
The keycaps are ABS plastic and prone to wear; however, the spacebar is non-standard, making full keycap replacement difficult.
Buying Guide
When looking at mechanical keyboards like this one, you're choosing between different 'feels' for typing. This keyboard uses 'linear' switches, which means a smooth press from top to bottom without a bump or click. Think of it like pressing a button that just goes straight down. Also, consider if you actually need a full-size keyboard with a numpad; smaller versions exist if desk space or portability is a concern. Finally, understand that 'wireless-only' means no backup wired data connection, which can be a dealbreaker if you have connectivity issues.
Linear Mechanical Switches
Multi-device Connectivity (up to 3 devices)
Wireless Only (Bluetooth & Logi Bolt)
Smart Illumination
Alternatives
If you need a wired data connection or prefer a more compact layout, look for keyboards with a USB-C wired mode and a 'TKL' (tenkeyless) or '75%' form factor.
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