1.4 port USB HUB 2.Slim size,easy for carry 3. USB 2.0 version 4.professional manufacturers 5.LOGO printing USB HUB Feature:1) USB2.0 HUB with 4 port2) Support data transfer rate 1.5/12/480Mbps3) Supports up to 127 USB devices4) Extensively compatible with scanner, digital camera, digital vidicon, Optical mouse, keyboard, U disk etc.5) Single chip integrated USB HUB controller with embedded ...