usb hub charger,usb hub with external power supply,usb hub circuit--HUB-121--Shenzhen Ricom                                                                                                  

Specification:

1.1.1 and 2.0 version for option high speed ports

2.Fully compliant with USB 2.0 specification

3.Supports up to 127 hi-speed devices

4.Supports data transfer rate at 1.5/12/480Mbps

5.Individual port over-current protection

6.Friendly and ergonomic design,portable

7.Provide up to 500mA per port sufficient for diverse devices

8.Plug-and-Play installation

9.Supports Windonws 98/98SE/2000/ME/XP/Mac OS 8.6 and so on

10.Hi-speed downstream ports with USB a female connectors

11.Hi-speed upstream port with A/M

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