7-Port USB hub with ACpower adapterProduct InformationThe Sabrent USB Hub lets you connect up to seven USB devices throughonly one USB port on your puter. The attractivelightweight design makes this hub a great travel panion to expandone USB port especially great for notebooks which may only have a fewports. When you need to attach many USB devices at onceincluding a printer card reader cell phone iPod thumb drive mousekeyboard and more the Sabrent USB Hub lets you connect up to sevendevices at the same time from one USB port.Product Highlights 7 external USB 2.0 ports Works with all types of USB devices Hi-Speed USB 2.0 up to 480Mbps Backward patible with USB 1.1Product Features Plug and Play Hot-swappable Bus-Powered or self-powered Auto-detected Seven downstream ports provide high speed (480Mbps)full-speed (12Mbps) and low-speed (1.5Mbps) Supports up to 127 devices by daisy-chaining multiple hubs Maximum of 500 mA per USB port Driverless installation Some power-intense USB devices may require the included ACpower adapterIncludes 7 port USB 2.0 hub Power adapterSpecifications Color: Black Dimensions: 4" x 2" x .75" (Lx W x D Approx.) Interface: USB 2.0 (Backwardpatible with USB 1.1) Data Transfer Speeds: Up to280 MbpsSystem Requirements Windows 2000 XP Vista Windows 7 (32-bit and 64-bit) Macintosh OS X and Above Available USB Port