Power supply spec Input:100-240V 50/60HZ 0.5A Output:5V/2500mA. Backwards Compatible With 1.1 Devices and Hosts Add up to 127 Devices by Daisy-Chaining Multiple Hubs. Easy Setup, Plug-n-Play, Hot Swappable, Hot Pluggable. Gain 13 Downstream Ports Which Offer High-Speed (480Mbps), Full-Speed (12Mbps), And Low-Speed (1.5Mbps). Instantly Add 13 USB 2.0 Ports to Any Compatible Device.
