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, a number pad, and easy access to 15 shortcut keys. Enjoy long-lasting battery life – 36 months for the Logitech MK235 keyboard and 12 months for the 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 the Logitech MK235 keyboard in liquid. System requirements: Windows 7 Windows 8 Windows 10 or later Chrome OS Linux kernel 2.6+USB port