It supports maximum Ethernet speed is 100MbpsConnect your laptop or desktop PC to Ethernet or LAN easily and efficiently.No need to install in computer inside of PCI network card.IEEE 802.3802.3Uand 802.(10Base-T, 100base-TX) compatible.Half/Full duplex 10/100 Mbps operation.Color: blackMaterial: plastic+metalAutomatically negotiates 10 or 100 Mbps connection rate depending on speed.Plug & play and hot swapping capability.powered mode, no external power required.Supports suspend mode and remote via link-up and packet.Support Windows ME, 2000, XP, Vista, for OS 8.6 or above.and Linux.Package Contents:1 x USB Ethernet AdapterOnly the above package content, other are not included.Note:Light reflection and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.