With a 10-meter wireless range, built-in multi-touch touchpad and plug-and-play setup, the Logitech Wireless Touch Keyboard K400 keyboard delivers lean-back wireless control for your laptop - even when you're connecting it to your TV.
| 10-meter (33 feet) wireless range You can turn up the volume of a YouTube™ video, pause your vacation slideshow or tweet about the movie you just downloaded--all without getting up from the couch. | | Large 3.5-inch, built-in touchpad A large 3.5-inch, built-in touchpad makes vertical scrolling intuitive. And multi-touch navigation makes it easier than ever to point and scroll your way through the Web. |
| Plug-and-play simplicity Setup couldn't be easier--you simply plug the tiny wireless receiver into a USB port and enjoy. Even the hot keys work right out of the box without software. | | Logitech Unifying receiver The tiny receiver stays in your laptop. Plus, you can easily add a compatible wireless mouse, keyboard or number pad--without the hassle of multiple USB receivers. |
| Comfortable, quiet typing Whether you're surfing the Web or e-mailing a friend, typing is just plain easy with sleek, low-profile keys that feel good and barely make a sound. | | 12-month battery life You can go a full year doing the things you love without battery hassles. An on/off switch helps you save power when you're not using the keyboard. |
| Advanced 2.4 GHz wireless So you can work or play in more places--like your comfy couch--the long-range wireless connection virtually eliminates delays, dropouts and interference. | | 128-bit AES encryption It helps protect your information by encrypting data transfer between the keyboard and receiver with one of the highest levels of data encryption available. |
| Media hot keys Mute, volume up, volume down and a Home button help you do the things you do most--instantly. | | Vertical storage The keyboard stands vertically for easy storage when living room space is limited. |