Targus 4-Port USB 2.0 Bend-a-Hub with Mini USB Adapter ACH103US (Black) Bendable hub makes it easy to plug in large USB connectors or USB flash drives for added functionality Plug and play - No Software to install, no external AC power adapter required System requirements - Windows XP, Vista, MacIntosh OS X or later; USB 1.1 or 2.0 port Transmission speed - Up to 480Mbps RoHS Compliant