UGREEN RJ45 Ethernet Adapter with USB 2.0 Hub USB Network Adapter 10/100Mbps for Nintendo Switch, Wii, Windows Surface Pro, MacBook Air/Retina, Chromebook, and More PC DUAL FUNCTIONS: USB 2.0 hub Ethernet adds 3 x USB 2.0 ports and 1 x RJ45 10/100 Ethernet port to your computers and notebooks. FASTER&MORE RELIABLE: Full 10/100 Mbps fast Ethernet performance over USB 2.0's 480 Mbps bus, with usb powered, link and activity LEDs, the hub network adapter is faster and more reliable than most wireless connections. GREAT COMPATIBILITY: This USB ethernet adapter with 2.0 hub supports Windows 10(32/64 bit) 8.1 / 8 / 7 / Vista / XP, Mac OS X 10.6 to 10.9, Linux 2.6.14 or above. For Windows 8.1 and some Mac users, we recommend downloading latest driver from ASIX website or contact our support for it. SLIM&PORTABLE: With slim portable size, the lan adapter hub is a good solution for adding a standard RJ45 port to your Nintendo Switch, Wii, Ultrabook, notebook, or Macbook Air, iMac Pro, for file transferring, video conferencing, gaming, and HD video streaming. 3.5mm x 1.35mm DC jack to connect the additional power plug for power-hungry devices, like HDD. Please kindly note: this product ONLY works with DC 5V (Center Positive Polarity) adapter for power supply. USEFUL FEATURES: Use the usb rj45 hub to replace your broken internal network port on desktop and laptop, add a separately-routable network interface, and transferring files at superfast speed over an Ethernet port.