1.multi function usb hub 2.Lower cost, fast delivery and good quality 3.OEM service for color, pack, delivery etc. usb 2.0 hub 4download personalized picture from computer directly.1: with 4 usb ports, supply up to 500mA per port2: USB2.0 version, backwards compatible with usb1.1 version3: Truly plug & play automatic system configuration ,Driver is not required4:No external power supply5:Supports ...