Descrption:USB Combo--USB 3.0 10/100Mbps Ethernet Network + 3 ports USB 3.0 Hub could not only add a network interface to your computer via USB, but also to connect your computer to multiple devices, such as digital cameras, PC fans, flash driver.Specifications:Ethernet Specification: Support 10/100Mbps fast network access; Support IEEE 802.3, 802.3u(10Base-T, 100Base-T) compatible. Compliant with Windows 10/8/7/Vista/XP, Mac OS X 10.4 and above, Linux kernel 3.x/2.6.x; LED indicators for Link and Activity; Support both Full-duplex with flow control and Half-duplex with backpressure operation; Support Full and Half duplex operating modes; ASIX AX88772A chipset.USB 3.0 Hub: Extend 3 ports USB 3.0, convenient for your flash drive, keyboard, mouse, Camera, printer, HDD etc. Support the speed up to 5Gbps Backward compatible with USB 2.0 and 1.1; Additional DC-jack is optional for some power hungry devices.