[USB HUB for Laptop] Our USB Ethernet hub has 3 USB 3.0 ports and 1 RJ45 Gigabit Ethernet port, easily expand external ports to laptop, PC computer, etc. The 3 USB 3.0 ports with data transfer speeds up to 5Gbps could transfer an HD film in seconds, also backwards compatible with USB 2.0/1.1 devices. [USB Hub with Etherne] In addition to multiple USB ports, this hub is a also a Gigabit USB Ethernet adapter, can access network with high speeds up to 1000Mbps and backward compatible with 10Mbps / 100Mbps. [USB Hub with USB C Adapter] Provides access to data transfer and Ethernet whether your computer only USB C interface or USB A interface, also easily transform the type-C port on the device to 3 Type A ports. [Easy to Use ] Equipped with high-performance chip, plug and play, slim and portable. Aluminum shell can prevent from corrosion and oxidation. [Wide Compatibility] Supports Windows 10/8.1/8/7/XP/Vista, Mac OS and Linux.(Does not support Windows RT or Android).