The Adesso USB 2.0 4-Port Hub is lightweight and compact making it easy to carry it with you on the go. This hub also comes with a power saving switch to conserve power when the USB devices are not in use. It is plug and play across different operating systems such as Windows and Mac. With our daily lives becoming more dependent on USB devices, this hub will serve as the perfect peripheral to host your USB devices. This unit has 4 available ports that let you use up to 4 devices simultaneously.