1) USB 3-Port Hub: 1.1/2.0 version.
2) Clock.
3) USB bus-powered and no external power adapter is required .
4) Plug-and-Play.Driver is not required .
5) Support window98/2000/XP.
6) Wide used for external storage devices,scanners, printers,
DVD drives,CD-RW drives,digital cameras/camcorder.
7) Logo imprinting is available.