1.Instantly Add Four USB 2.0 Ports to all Compatible Device.
2.Easy Setup, Plug-and-Play, Hot Swappable, Hot Pluggable.
3.Gain Four, Downstream Ports Which Offer High-Speed (480Mbps), Full-Speed (12Mbps), And Low-Speed (1.5Mbps).
4.Intelligently Designed to Be as Thin as Possible, Allowing you to Maximize Precious Work Space or Travel with ease.
5.Backwards Compatible With 1.1 Devices and Hosts. CHARGING NOT SUPPORTED.