Specification :

-Storage temperature: -10 to 85 degrees Celsius
-Product includes: user manual, USB cable ( optional) and adapter ( optional)
-Compatibility: for Macs and PCs
-Operating system: Windows XP/ 2000/ ME/ 98/ 95 and Mac OS 8.6 and above
-Plug-and-Play installation, no software installation required
-Four USB 2.0 ports up to 500mA ( with power adapter)
-Bus-power and self-power mode used
-Transfers large files at rates of up to 480Mbps
-Connects up to 127 USB devices to PC through daisy chain
-Fully compliant with USB 2.0, 1.1 and 1.0
-Supports OHCI/ UHCI
-Over-current and high-inrush current protection