LOGITECH : Wireless Keyboard K270

Reliable wireless-wherever you use your keyboard thanks to the Logitech Unifying receiver that pairs with up to six Unifying-compatible mice and keyboards.The tiny Logitech Unifying receiver is small enough to stay in your laptop and connect whenever you need it. Plus, you can easily add another compatible mouse, keyboard or number pad-without the hassle of multiple USB receivers. Logitech Advanced 2.4 GHz wireless connectivity gives you the reliability of a cord from up to 10 meters away. Auto-frequency switching means you’ll enjoy virtually no signal loss -even in the busiest wireless environments. And it helps keep your information secure with 128-bit AES keyboard encryption, one of the highest levels of security available.