usb hub tapas robot

* 4 USB 2.0 hi-speed ports. * Connectable to AC power (Adaptor not include). * Simply "Plug and Play" install. * LED indicator shows power status. * Interface: SUB 1.1 / high speed USB 2.0. * The term "high speed USB 2.0" used here in is the name of a specification upon which the product is based; it does not guarantee the speed of its operation. * Power: USB has power supply. * Required hardware: computers running windows 2000, XP, windows vista or Mac OS10.0.2 or higher. * Materal: ABS.