flash disk 4 port usb hub USB HUB/4 port mini/flash diskFeatures:1.4 USB ports hub2.USB vrsion 1.1 and 2.0 avaibale3.Maximum transmission speed :12Mbps4.Full power: 5V DC, 500mA, over current protection function5.Compatiable with windows 98/MEor higher, Mac OS 8.5 or higher6.Full plug-and play capability, ot swapping capability7.It has a concise and fasion desin . flash disk