1.USB 2.0 High speed 4 ports ;
2.With watch inside design & with chipset FE 1.1;
3.Support up to 127 hi-speed devices;
3.True plug & play ;
4.Fast data/fles access &transfer rates up to 480Mbps;
5.Campatible with windows XP,2000,98SE&98OS.
6. N.N.W: 29g; with package&cable:83g