... 4.professional manufacturer 5.OEM ServicesFeature:1. USB2.0 HUB with 7 port2.High Speed USB2.0, Compliance with USB 1.1 ... scanner, digital camera, digital vidicon, optical mouse, Keyboard, USB flash disk,etc.5. Supports up to 127 USB devices6. Truly plug ... /2000/xp/vista,Mac OS9.1 or higher 7 PORTS USB2.0 HUB With led Indication