1.7 usb hub ports, 1.1 and 2.0 version for options
2.Operating system: Win95 osR2/98SE/Me/2000/XP,Linux2.4and
Mac os8.5VASTA or above.
3.Speed of transfer:full speed 480Mbps、middle speed 12Mbps、least speed1.5Mbps.
4.Power:USB 5V/500mA.
5.Range of USB HUB usage:0℃-70℃.
6.Range of USB HUB storage:10℃-90℃.
7.Range of moisture for usage HUB:10%-90%non_condensing.
8.Range of moisture for storage HUB:10%-90% non-condensing.
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