Note Pad computer HUB, have 4ports, you can choose 1.10 or 2.0. Name of Product: 4 Ports USB2.0/1.1 HUB Product Descriptions : 1) 4 ports USB hub;2) Supports USB 2.0 or USB1.1; 3) Supports data transmission; full speed to 480Mbps, medium-speed 12Mbps, low-speed1.5Mbps. 4) Hot swap support, and easy to use. Applies to scanners, digital cameras, audiosystems, display, and other input equipment etc. producing area:Shenzhen China