Logitech MK235 Wireless Keyboard and Mouse. A simple plug-and-play keyboard and mouse with a reliable wireless connection up to 10 metres (33 feet) away, sharing one tiny USB receiver (128-bit AES encryption between devices and receiver). There's 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 the keyboard and 12 months for the mouse*. With its durable construction, spill-proof design,** anti-fading treatment on each key and sturdy tilt legs, MK235 is built to last. *Battery life and wireless range may vary due to use and computing conditions.**Tested under limited conditions (maximum of 60 ml liquid spillage).