4 Port USB 2.0 Hub with a silicon cell phone stand / holder. Great for keeping your cellphone near the computer on your office desk for a convenient charge or song download. USB cord included. Plug an play, automatic installation and hub configuration. No software or drivers are required. Plug and play connectivity for quick and easy peripheral connection, Support data transfer full speed of 1 2Mbps and low speed 1 .5Mbps, Supports all USB 1.1 compatible devices. USB Bus-powered, no power adapter needed. System Requirement:IBM compatible PC or Mac with available USB 1.1 port. Operating system Windows 2000, or XP and Apple iMac. USB host card or USB hub device.