"CyberPower USB Hub is very easy to use, Plug-n-Play, and hot swappable. A valuable addition to any computer. The Hub also supports USB 1.1 devices since it is backward compatible. Free-Cable design to eliminate the possible tangle and easy to carry. The hub also can be mounted on almost any smooth surface using the included suction cup. It is a best choice to expand connections. Applications Computers & Laptops Small Electronics Devices with standard USB plug Smart Phone, Tablet and other mobile devices Product Features Data transfer speeds up to 480 Mbps with USB 2.0 Backward compatible with USB 1.1 Plug-and-play Hot plug Over-current detection Technical Specification Model Name CP-H420JF USB Port Downstream USB Type A Female x 4 Upstream Mini USB x 1 LEDs Power Blue x 3 Power Mode Bus-Power Output Voltage(per port) DC +5 V Output Current(per port) 500mA Operating Temperature 5oC ~ 40oC Storage Temperature -20oC ~ 60oC Humidity 0-80％RH No condensing Housing Plastic Weight 36 g(With suction cup) Dimensions (LxWxH) (mm) 56 x 60.4 x 27.4 Power DC 5V 2A Accessory USB Type A to Mini B cable (1.8ft) Attached Cable length 1.8 ft System Requirements Windows 2000/ME/XP/ Vista/7/8 Mac OS X 10.6 or above "