The Targus 4-Port Mobile USB Hub is convenient for those who travel with their laptops and would like to connect to their peripherals via a USB port. Expand one USB port to four high-speed ports to connect and charge your iPod/MP3 player, Smartphone or peripherals through the laptop. The USB cable never gets lost and stores inside of the hub for easy travel. Both compact and sleek, the Targus hub is portable and easy-to-use; simply plug and play. -Functionality – 4-Port USB hub enables instant connectivity with up to 4 USB devices such as mice, keyboards and memory drives to your laptop. -Organization – Portable design with integrated cable is perfect for travel. -Compatibility – PC/Mac Compatible. Laptop powered, no AC adapter required.