UGREEN USB to RJ45 Ethernet Adapter with USB 3.0 Hub Network Adapter 10/100Mbps for Mac OS, Window 10/8.1/8/7/XP/Vista and Linux DUAL FUNCTIONS: Expand your PC with 3 ports USB 3.0 and one RJ45 10/100Mbps ethernet, especially a flexible solution for Ultrabooks, notebooks, Windows Surface Pro, MacBook Air/Retina, Chromebook, and More PC and tablets featuring USB interfaces. DATA UP TO 5Gbps: With 3 ports super speed USB 3.0 hub, Ugreen ethernet adapter supports data transfer rates up to 5Gbps. Backward compatible with USB 2.0 / 1.1 GREAT COMPATIBILITY: This USB 3.0 Hub with Ethernet Port can support Mac OS, Window 10/8.1/8/7/XP/Vista and Linux laptops and PCs. Compatible with IEEE 802.3, 802.3u(10BASE-T, 100BASE-TX) Support Nintendo Switch, Wii. Chipset: ASIX AX88772. DC-Jack designed for some power hungry devices. LIFETIME WARRANTY: Ugreen 3-Port USB Ethernet Lan Network Adapter is backed with lifetime warranty and customer service support.