... welcome Name: USB 2.0 4 port hub compatible with any computersItem: SRXH004 usb 2.0 4 port hub Features: Expands 4 USB port supply up ... to 550Ma current per port ;version 1.1 ... kinds of computer accessories, such as USB Hubs, computer bags, mouse pads,wrist pads,and other USB products.SRX has built a diversifying ...