Specifications:

• 4 USB ports Standard A type up to 100mA current per port;1 USB Mini B type Female input connector;The QHMPL hub provides full over current protection;QHMPL USB HUB supports the following signaling rates;A low-speed rate of 1.5 Mbit/s (-183 kB/s) as is defined by USB 1.0 and a full-speed rate of 12 Mbit/s (-1.43 MB/s) the basic USB data rate defined by USB 1.1;
• Truly Plug and play automatic with All OS including windows 98,2000, ME, XP,7, Mac Linux virtually all OS;USB 2.0 and ACPI compliant
• A high-speed (USB 2.0) rate of 480 Mbit/s (-57 MB/s) and QHMPL Hub is capable of chaining up to 127 USB devices