FORCETEK High Speed USB 2.0 7-Port Hub with Switching Power Adapter, Retail Pack Connect Up to 127 USB devices through cascading multiple Hubs Works with Both USB 2.0 and 1.1 Devices and Supports plug & play and hot-swapping. 7 external auto speed selectable USB type A downstream ports w/Built-in Multi-TT mode function Package Includes 7-Port USB 2.0 Hub, AC Adapter, USB 2.0 Cable, and Quick Installation Guide Windows and Mac Compatible with 1-Year Limited Warranty.