Three USB and one RJ-45 Lan port that supports 100Mbps/BASE-T performance.Compatible with USB2.0/1.1, transmission rate 480Mbps.Ethernet network supports 100Mbps high-speed transmission.Support TCP/IP, NetBEUI, IPX/SPX.Support for Windows 98SE/2000/ME/XP/Vista/7/8/10, for Mac OS, for Linux (Kernel).Free for Android 4.0 and above, plug and play.3 USB ports, and it can also be connected to a 5V power supply to provide more current.Network card function powered by USB, low power consumption, no external power required.Item Name: USB Hub Lan AdapterMaterial: PlasticFeatures: Plug&Play, Lightweight, High SpeedSize: 74mm x 24mm x 12mm/2.91" x 0.94" x 0.47" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x USB Hub Lan Adapter