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Looking at the full spec sheet of the Logitech MX Mechanical, you can see why this is the keyboard people keep picking for cross-device productivity work. Here’s everything you need to know before you buy.
Quick Specs Overview
| Layout | Full size (104 keys, includes numpad) |
| Switch Type | Tactile Quiet / Linear / Clicky (variants) |
| Keycap Material | ABS |
| Backlight | White LED, proximity-activated |
| Connectivity | Bluetooth Low Energy + Logi Bolt USB receiver |
| Multi-device pairing | 3 devices, instant swap |
| Battery (backlight on) | ~15 days |
| Battery (backlight off) | ~10 months |
| Charging port | USB-C |
| Body material | Aluminum top plate, plastic underside |
| Weight | 828 g |
| Dimensions | 433.85 x 131.55 x 26.10 mm |
| OS support | Windows, macOS, Linux, ChromeOS, iPadOS, iOS, Android |
| Software | Logitech Options+ |
Switch Variants Explained
Logitech ships the MX Mechanical in three switch options, all Kailh-made low-profile mechanicals. The Tactile Quiet variant is what I’d recommend for most buyers — it has a defined tactile bump that helps typing accuracy, but the noise is dampened. Great for shared offices and meeting rooms.
The Linear variant has no bump, smooth keypress all the way down. Quieter still, but you lose the typing feedback. Good for late-night work where any tactile click would feel loud. The Clicky variant adds an audible click on top of the tactile bump. Loud. Not for shared spaces, but some people love the satisfying feedback for solo work.
Switches are not hot-swappable, so pick the variant you want at purchase and commit. Travel distance is 3.2mm with a 1.8mm actuation point — short by mechanical standards, which is part of how Logitech kept the board so thin.
Multi-Device and Connectivity Details
The MX Mechanical pairs with up to three devices simultaneously through Bluetooth Low Energy or the included Logi Bolt USB receiver. Switching is instant via Fn+1, Fn+2, or Fn+3. The board remembers each pairing slot — you don’t re-pair every time you swap.
Bluetooth is the default but the Logi Bolt receiver is the better option if you need lower latency for occasional gaming or fast typing. Bolt is Logitech’s enterprise-grade replacement for Unifying, with stronger security and less interference than standard 2.4GHz wireless. The board does not include a separate 2.4GHz dongle option — Bolt or Bluetooth only.
Battery and Charging
Logitech rates battery life at 15 days with the backlight on at default brightness, extending to 10 months with backlight off. The trick is the proximity sensor — the backlight only fires when your hands are within range of the keys, which means most of your “backlight on” time is actually backlight idle.
Charging is USB-C, full charge in about 3 hours. A 60-second top-up gets you 5 hours of use, which is the kind of thing you appreciate when you forgot to charge it overnight.
Software and Customization
Logitech Options+ is the companion app. It lets you remap keys, configure app-specific profiles, customize backlight behavior, and check battery status. Smart Actions let you trigger multi-step automations from a single key. The software is genuinely useful and not bloated — installs quickly, doesn’t run a hundred background processes.
For more detail or the full original spec sheet, see the Logitech MX Mechanical product page.
Bottom Line on the Specs
This is a premium productivity wireless mechanical, full stop. Aluminum build, three switch options, smart backlight, three-device Bluetooth pairing, USB-C, and battery measured in months instead of hours. The only spec hole worth mentioning is the lack of hot-swap sockets and the absence of a standard 2.4GHz dongle option — if either matters to you, the F75 or another board is the better call.
