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The versatile all-in-one wireless keyboard/touchpad combo for any workspace

K400 Professional Wireless Touch Keyboard
  • All-in-one keyboard & touchpad
  • Wireless connectivity
  • Plug-and-play simplicity
K400 Professional Wireless Touch Keyboard

Versatile. Wireless. All-in-one keyboard/touchpad combo.

Be productive anywhere you choose to work with the Logitech K400 Professional Wireless Touch Keyboard, a professional-grade all-in-one keyboard/touchpad combo. Wireless connectivity eliminates mobility-limiting cords while the lightweight, compact design reduces clutter and frees valuable work space.

The K400 Professional delivers convenience and versatility on a desktop and beyond, including conference rooms, classrooms, reception areas, kiosks and other diverse work settings.

Key Features
  • K400 Professional on the table

    Save space. Reduce clutter.

    The K400 Professional is a compact all-in-one input device that combines a high-performance keyboard with an accurate and responsive touchpad. Ideal for space-constrained workspaces and easy to grab and move around for spontaneous flexibility.

  • K400 Professional on desk

    No cables.
    No cords.

    The K400 Professional provides a powerful wireless connection with a 10-meter (30’) range and no delays or dropouts—even in the busiest environmentseven in busy environments—to add cordless flexibility to the way you work.1

  • K400 Professional on desk with display

    Plug-and-play simplicity

    Setup is a snap so you can get right to business. Just plug the Unifying receiver into a USB port and you’re ready to go. No software required and ready to use right out of the box.

  • K400 Professional on desk

    18-month battery life

    Long-lasting battery life from two pre-installed AA batteries lasts so long you might forget the K400 Professional uses batteries at all. Low Battery Alert activates when batteries are low and need replacement.2


Any PC.
Any laptop.

With the K400 Professional, you’re not limited to a single operating system. You can work across Windows® 7, Windows 8, Windows 10 and later, Android 5.0 or later, Chrome OS, and Linux® Suse and Linux Ubuntu.

Easily customize Fn keys

Work more efficiently with instant access to the functions you use most. Keys F1-F12 are customizable with Logitech Options software to help enhance productivity and streamline your workflow.3

Durable and easy to clean

Designed for up to 5 million key operations, the K400 Professional is durable and built to last. Plus it’s easy to clean—ideal for conference room, kiosks, and other workspaces where keyboards are shared.

Logitech Options software

Download Logitech Options software to access even more features from the K400 Professional, including enhanced gestures, smooth scrolling, and customized cursor speed.

  • Dimensions

      • Height x Width x Depth: 23 mm x 354.3 mm x 139.9 mm
      • Weight (with batteries): 380 g

    System Requirements

      Windows 7, Windows 8, Windows 10 or later

      Android 5.0 or later

      Chrome OS

      Linux Suse and Linux Ubuntu

      USB port

      Internet Connection (for optional software download)

  • Technical Specifications

    Connection Type: Logitech Unifying protocol (2.4GHz)

    Media Keys: Mute, Volume Down, Volume Up

    Connect / Power: On/Off Switch

    Battery Details: 2 x AA

    Battery Life (not rechargeable): Up to 18 months

    Key life: Up to 5 million keystrokes

    Typing noise: Within 55 dBA for all keys

    Wireless range: 33 ft (10 m)

    Touchpad: 3.5-inch

  • Package Contents

    Wireless Touch Keyboard

    Unifying receiver

    2AA batteries (pre-installed)

    User documentation

    Warranty Information

    2-Year Limited Hardware Warranty

K400 Professional Wireless Touch Keyboard

K400 Professional Wireless Touch Keyboard

  1. Wireless range may vary depending on operating environment and computer setup
  2. Based on 2 million keystrokes/year with 40 minutes of daily touchpad use. Actual battery life will vary with use, settings and environmental conditions. Use the on-off switch to extend battery life even further. Logitech Options software required
  3. Requires Logitech Options on Windows. Available for download at