1) 4 ports USB HUB,usb products, usb hub 4 ports 2) Supports USB 1.1 or USB2.0 3) leather surface features: 1) 4 ports USB HUB,usb products, usb hub2) Supports USB 2.0 or USB1.1;3) Supports data transmission; full speed to 480Mbps, medium-speed 12Mbps, low-speed 1.5Mbps. 4) Hot swap support, and easy to use. Applies to scanners, digital cameras, audio systems, display, and other input equipment ...
