Perfect for travel, the Belkin Hi-Speed USB 2.0 Thumb Hub conveniently slips into the pocket of your notebook bag without taking up precious space. Another great travel feature is that the Hi-Speed USB 2.0 Thumb Hub provides the convenience of being able to connect up to two high-speed devices without the need of the power supply. Additionally, this Hub also includes a switching power supply, which is perfect for worldwide travel. The Belkin Hi-Speed USB 2.0 Thumb Hub has the versatility for you to connect up to four high-speed or low-speed USB devices so you can use your existing low- and full-speed devices in addition to your new high-speed devices.