Logitech® K400 Wireless Touch Keyboard, Black
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Logitech® K400 Wireless Touch Keyboard, Black

Item # 729357 OfficeMax # 23278481
  • PerfectStroke® key system with Incurve® keys provides quiet, comfortable typing.
  • Large built-in touchpad allows cursor control and easy navigation directly from the keyboard.
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Wireless Touch Keyboard K400 offers lean-back wireless control of your laptop even when you're connecting it to your TV. You can control your laptop without getting up from the couch thanks to the 10-meter (33') wireless range. The large 3.5", built-in touchpad with multi-touch navigation makes vertical and horizontal scrolling intuitive. With a simple setup, just plug the tiny Logitech Unifying receiver into a USB port. No software is needed. You can even add five more compatible devices to the same receiver. The sleek, low-profile keys feel good and barely make a sound.

  • PerfectStroke® key system with Incurve® keys provides quiet, comfortable typing. 
  • Large built-in touchpad allows cursor control and easy navigation directly from the keyboard. 
  • Slim and wireless to save space and reduce cable clutter. 
  • Concave key surface complements the natural profile of your fingertips for a smooth touch. 
  • Unifying receiver with advanced 2.4GHz wireless connectivity allows you to type wherever is most comfortable.  Provides a range up to 33'. Requires a USB port.
  • Plug-and-play setup to simplify installation. 
  • Compatible with Windows® 8.  Designed to help perform up to 13 unique Windows 8 gestures comfortably and smoothly.

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Item # 729357 
Manufacturer # 920-003070  
Service & Support 3 years warranty
Type AA type
Battery Size Supported AA
Keyboard/Keypad Connectivity Technology Wireless
Features Logitech Unifying receiver, on/off power switch, integrated touchpad, low profile keys
quantity 1
Max Operating Distance Up to 33 ft
Cables Included 1 x USB extension cable
assembly required No
package contents K400 Keyboard; USB Receiver; USB Extender; 2 x AA Batteries (pre-installed); User Documentation
Installed Qty 2
Device Supported Computer
010--OD-SKU-Number 729357
Product Name K400 Keyboard
Compliant Standards Plug and Play
Service & Support Details Limited warranty - 3 years
Compatible with Windows 7 "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7.
manufacturer Logitech
Ecolabel RoHS; WEEE
postconsumer recycled content 0%
Maximum Battery Run Time 1 Year
brand name Logitech
Hot Keys Function Multimedia, volume, search, share, devices, settings
Wireless Operating Frequency 2.40 GHz
transmission range 32.81 ft
wireless technology RF
Keyboard/Keypad Features Low-profile Keys; Quiet Keys
Layout English
Pointing Device Type TouchPad
Hot Keys Mute; Volume Down; Volume Up; Home Screen
receiver connector type USB
operating system compatibility USB PortOperating Systems:; Windows XP; Windows Vista; Windows 7
Number of Batteries Supported 2
Interface 2.4 GHz
Wireless Receiver USB wireless receiver
Product Type Keyboard
color Black
OS Required Microsoft Windows Vista / XP / 7 / 8 / RT
model name K400

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Rated 4.3 out of 5�by 30 reviewers.
Rated 5 out of 5�by Good Purchase Super easy to use. Wish i could get another but i don't have any other computer to connect it to, but if i did i would defenetly buy another June 16, 2015
Rated 5 out of 5�by Compact to carry in briefcase bag Logitech had a variety of available keyboards but chose this one because it is an excellent travel companion. June 10, 2015
Rated 4 out of 5�by Connected Easily without a Glitch This keyboard easily connected with my desktop and was usable within seconds from removal from the box. it is very functional but seems to be a bit small for desktop use. May 18, 2015
Rated 5 out of 5�by Exactly what I needed Does exactly what I need. Using it on a computer hooked up to a TV. Bought my dad one, and liked it so much I got myself one. Just have to remember to shut it off to save battery. Got it on sale for like $30, great value and good brand. May 4, 2015
  • 2015-07-01T10:45:42.428-05:00
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From the Manufacturer|Powered by Answers™

Thank You Is the information in this section helpful? Yes / No



  • Logitech Wireless Touch Keyboard K400

    For across-the-room control of your laptop—even when it's connected to your TV

    Say goodbye to hunching over your laptop and constantly getting up to navigate on your TV-connected laptop. Whether you’re IMing on your small screen or surfing the Web on your big screen, you can lean back and enjoy convenient typing and multi-touch navigation right from your couch. Whichever screen you’re using, this sleek wireless keyboard is designed for the way you use your laptop today.

  • Long-range wireless control
    • Reliable Logitech Advanced 2.4 GHz wireless connection with 10 meter range1
    • Control your TV-connected laptop from across the room
    • Turn up the volume, pause or tweet about the movie you just downloaded—all without leaving the couch
  • Comfortable, quiet typing
    • Whisper-quiet low-profile keys
    • Easy-to-read bold, bright-white characters
    • Media hot keys like mute, play, volume up or down for easy entertainment control
    • Sleek, compact design feels just right on your lap
    • Keyboard can be stored vertically to save space
  • Built-in large touchpad with intuitive Windows 8 gesture support
    • No need for a separate mouse
    • Large 3.5-inch touchpad with multi-touch navigation for easy horizontal and vertical scrolling
    • Convenient left and right click buttons
  • Plug-and-play simplicity
    • No cords, software or hassles
    • Plug the Logitech Unifying wireless receiver into your USB port and start navigating
    • Tiny receiver can stay in your laptop and connect up to six compatible Unifying wireless devices
  • 12-month battery life2

    • Go for a full year without changing batteries
    • On-off switch helps you save power when you're not using the keyboard



    • Windows 8/Windows 8 RT, Windows Vista, Windows 7, Windows XP
    • USB port

What's in the Box

  • What's in the box?

    • Wireless Touch Keyboard
    • Unifying USB receiver
    • USB range extender
    • 2AA batteries (pre-installed)
    • User documentation
    • 3-year limited hardware warranty
  1. 1 Wireless range may vary due to environmental and computing conditions.
  2. 2 Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary.
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