PRODUCT DESCRIPTION
The Logitech Wireless Touch Keyboard K400 has a 10-meter (33 feet) wireless range and a large, built-in multi-touch touchpad for total control when connecting your laptop to your TV. System Requirements: Windows XP Windows 7 Windows Vista or Windows 8 / Windows 8 RT|USB port

FROM THE MANUFACTURER

FEATURES
Enlarge

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

* Wireless range may vary due to environmental and computing conditions.

** Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary.

Enlarge LONG-RANGE WIRELESS CONTROL
* Reliable Logitech Advanced 2.4 GHz wireless connection with up to 33 ft range*
* 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

Enlarge 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

Enlarge 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
Learn More >

Enlarge 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
Learn More >

12-MONTH BATTERY LIFE**
* Go for a full year without changing batteries
* On-off switch helps you save power when you’re not using the keyboard

COMPATIBILITY
WHAT’S IN THE BOX?
* Wireless Touch Keyboard K400
* Unifying USB receiver
* USB extender
* 2 AA batteries (pre-installed)
* User documentation

WORKS WITH:
* Windows 8/Windows 8 RT, Windows Vista, Windows 7, Windows XP
* USB port

Technical Specifications

Standing screen display size‎3.5 Inches
Wireless Type‎2.4 GHz Radio Frequency
Brand‎Logitech
Item model number‎920-003070
Hardware Platform‎Laptop
Operating System‎Windows Vista, Windows XP, Windows 8, Windows 7
Item Weight‎12.7 ounces
Product Dimensions‎5.35 x 13.9 x 0.94 inches
Item Dimensions LxWxH‎5.35 x 13.9 x 0.94 inches
Color‎Black
Batteries‎2 AA batteries required.
Department‎Keyboard
Manufacturer‎Logitech
Language‎English
ASIN‎B005DKZTMG
Country of Origin‎China
Is Discontinued By Manufacturer‎No
Date First Available‎August 11, 2011
Customer Reviews4.4 out of 5 stars 11,056 ratings 4.4 out of 5 stars
Best Sellers Rank#26 in Computer Keyboards
Keyboard DescriptionWireless
Connectivity TechnologyWireless
Special FeatureWireless
Compatible DevicesLogitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad
Included ComponentsKeyboard^USB Receiver^USB Extender^AA Batteries
BrandLogitech
ColorBlack
Item Dimensions LxWxH5.35 x 13.9 x 0.94 inches
LanguageEnglish
Operating SystemWindows Vista, Windows XP, Windows 8, Windows 7