The Targus 4-Port USB 2.0 Hub is a convenient and compact way to use more USB ports than your computer has available. The hub is USB powered so there is no need to plug in an AC adapter, giving you the ability to connect up to four electronic devices to your laptop all at once. You have the capability to Sync and access your devices such as phones and External hard drives with this compact design, making it an easy solution to take it along with you anywhere you go.