Logitech MK235 Wireless Keyboard and Mouse Keyboard dimension: 17.15 x 5.41 x 0.81 inch (WxHxD) Mouse dimension: 3.85 x 2.49 x 2.42 inch (HxDxW) The country of Origin is China Warranty Information 1-Year Limited Hardware Warranty Wireless Range: 33 feet /10 meters Wireless encryption: 128-bit Advanced Encryption Standard (AES) between devices and receiver Windows 7, Windows 8, Windows 10 or later Chrome OS Linux kernel 2.6+ USB port