The Logitech MK235 Combo is a simple plug-and play keyboard and mouse with a reliable wireless connection up to 10m/33ft away, sharing one tiny USB receiver (128-bit AES encryption between devices and receiver). No hassle with pairing or software installation. Type comfortably on a familiar keyboard layout with full-size arrow keys, number pad and easy access to 15 shortcut keys. Enjoy long-lasting battery life – 36-months for keyboard and 12-months for mouse. With its durable construction, spill-proof design*, anti-fading treatment on each key and sturdy tilt legs, it's a desktop combo that's built to last. *Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse keyboard in liquid.
-Long battery life Type as long as three years between battery changes and use your mouse for up to a year before replacing the battery -Reliable wireless Simply plug the tiny USB receiver and enjoy a strong connection with no lag time. Your wireless keyboard and mouse will still be connected up to 10 meters (33 ft) away -Built to last Durable construction with sturdy tilt legs and spill-resistant design. Anti-fading treatment on each key so you never worry about losing the letters from your keys.
MK245 will automatically go to sleep when you are not using. Otherwise you can hold down power button to turn MK245 off to save power. Logitech MK245 Wireless Keyboard and Mouse Combo Kit Portable Compact."