USB 2.0   High-speed USB 2.0 HUB  Promotion gift USB HUB 4 port  Oblong shape bamboo 4-port USB Hub USB2.0. Push Button USB Hub (webkey function) - Best promotion item. USB HUB With World Map  4 port usb hub with photo frame

* Compliant with USB version 2.0 and backward compatible with USB 1.1
* USB bus powered
* Support 4 USB devices at the same time.
* Supports Windows98, ME, 2000, NT, XP, Vista, Mac OS X, and Linux OS, No need driver under Windows 98, ME, 2000, XP, Vista OS
* Supports both OHCI and UHCI specifications
* Plug-and-play and hot swapping functions
* Over-current detection and protection for each downstream port