Supports DOS, Win3.X, Win95/98/98SE/2000/ME/XP, WinNT, Netware,

Compliant with USB 2.0 specification. Works with either USB 1.1 or 2.0 peripherals.

USB 4-channel switch (4 TYPE-B connectors, 1 USB TYPE-A connector)

The computer connects -------------------4

The equipments of USB connects -----1

Did not need the outside power supply

Weight: 300g

Crust:Metal

Dimensions:120*53*20mm