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Last updated: April 8, 2026

Quick Answer: Yes, the Logitech MX Keys can be used wired via its USB-C charging cable, though it is primarily designed for wireless connectivity. This wired connection serves a dual purpose: charging the internal battery and establishing a direct, low-latency connection for input.

Key Facts

The Logitech MX Keys uses a USB-C port for charging and can operate in a wired mode.
When connected via USB-C, the keyboard acts as a wired peripheral, potentially offering lower latency than wireless connections.
The wired connection also serves to recharge the built-in battery, ensuring continuous operation.
The MX Keys utilizes a dongle (Logi Bolt or Unifying Receiver) for its primary wireless connection.
Bluetooth is another wireless connectivity option for the MX Keys.

Overview

The Logitech MX Keys is a premium wireless keyboard celebrated for its exceptional typing experience, sophisticated design, and advanced features. It's engineered for productivity and comfort, aiming to elevate the workflow for professionals and enthusiasts alike. While its primary selling point is its versatile wireless connectivity, allowing users to seamlessly switch between multiple devices and operating systems, a common question arises: can this advanced peripheral also be used in a wired configuration? This capability can be crucial for users who prioritize the absolute lowest input latency or need a reliable connection during charging.

Indeed, the Logitech MX Keys does offer the functionality to be used in a wired manner. This is facilitated through its USB-C port, which is primarily used for charging the keyboard's internal battery. However, plugging in the USB-C cable does more than just provide power; it establishes a direct, wired connection between the keyboard and the computer. This wired mode bypasses some of the potential latency inherent in wireless transmission, which can be beneficial for certain demanding applications like competitive gaming or highly sensitive data entry tasks, although it's important to note that the MX Keys is not primarily marketed as a gaming keyboard.

How It Works

USB-C Connection: The keyboard features a modern USB-C port. When you connect a USB-C cable from the keyboard to your computer, it acts as a direct input device. This bypasses the wireless dongle or Bluetooth connection, establishing a more immediate data transfer route. This is particularly useful if you're experiencing wireless interference or need a rock-solid connection.
Power and Data Transfer: The USB-C cable serves a dual role. Firstly, it constantly charges the built-in rechargeable battery, ensuring you're never caught with a dead keyboard. Secondly, and crucially for wired use, it transmits keystroke data directly to your computer. This means even when plugged in, the keyboard is fully functional as an input device, not just a charging station.
Latency Considerations: While the MX Keys is designed for excellent wireless performance, a wired connection generally offers the lowest possible input latency. For the vast majority of users, the difference between its wireless and wired latency will be imperceptible. However, for niche scenarios where every millisecond counts, the wired option provides that extra assurance of immediacy.
Simultaneous Charging and Use: You can use the Logitech MX Keys wired while it is actively charging. This means you don't have to interrupt your work or productivity to power up the device. Simply plug it in, and it will continue to function normally while replenishing its battery life.

Key Comparisons

Feature	Logitech MX Keys (Wired)	Logitech MX Keys (Wireless - Dongle/Bluetooth)
Primary Connection Method	USB-C Cable	Logi Bolt/Unifying Receiver (USB-A or USB-C), Bluetooth LE
Input Latency	Generally Lower	Very Low, but potentially higher than wired
Power Source	Computer USB Port (charging)	Internal Rechargeable Battery
Device Switching	Limited to one connected device	Seamless switching between up to 3 paired devices
Portability	Requires cable connection	Unrestricted movement
Setup Simplicity	Plug and play via USB-C	Dongle plug-in or Bluetooth pairing

Why It Matters

Enhanced Reliability: For users who depend on their keyboard for critical tasks, the ability to use it wired provides an extra layer of reliability. Wireless connections can sometimes be susceptible to interference from other devices, leading to dropped keystrokes or lag. A wired connection eliminates this variable, ensuring a stable and consistent input stream.
Optimal Performance for Specific Tasks: While the MX Keys is not a dedicated gaming keyboard, some power users or individuals involved in fast-paced data entry or rapid command execution might appreciate the marginal latency reduction offered by a wired connection. This ensures that every input is registered as quickly as possible, contributing to a more responsive and efficient workflow.
Convenient Charging Solution: The wired capability also serves as a practical charging method. Instead of needing a separate charger or waiting for the keyboard to deplete its battery entirely before charging wirelessly, users can simply plug it in during use. This ensures the keyboard is always ready to go, minimizing downtime and maximizing productivity, especially for those who use their keyboard for extended periods.

In conclusion, while the Logitech MX Keys shines brightest as a versatile wireless peripheral, its capacity to function as a wired keyboard via its USB-C port offers significant advantages in terms of reliability, potential performance gains for specific use cases, and convenient charging. This dual functionality underscores its design as a premium tool for the modern professional, adaptable to a variety of user needs and preferences.