The Macally XKEYHUB is a full size USB keyboard with two USB ports, specially designed for Mac. Plug and play, this keyboard doesn''t require any installation software and is very easy to use! The keyboard has a standard layout with full size keys for a comfortable and efficient typing experience. It also has 16 convenient shortcut keys and a 17-key numeric keypad to increase efficiency and productivity. The two USB 2.0 ports on the back of the keyboard allow you to use it as a hub and connect other USB devices, such as your mouse or a Flash Drive. Plug and Play, full size and functional, the Macally XKEYHUB is ideal for office, school and home use. FEATURES: Full size and thin keys for a comfortable and efficient typing experience 16 convenient shortcut keys for one-touch control of Mac applications and enhanced productivity 17-key numeric keypad to quickly and efficiently enter long sequences of numbers 2 built-in USB 2.0 ports on the back of the keyboard LED indicators for Caps Lock and Fn Key Lock Plug and Play via USB (No software required) Long 150 cm USB cable to connect to computer, even if it is underneath a desk System requirements: USB port; Mac OS X v10.6 or later