Ugreen Wired Network Adapter USB Hub: Expand your laptop or desktop with 3-port USB 3.0 hub and a RJ45 gigabit ethernet port, especially a flexible solution compatible for Macbook Air, Nintendo Switch, iMac, iMac Pro, Surface laptop, ultrabook, notebook and computer featuring USB A interface. | Support Max 1000Mbps: This LAN Network Adapter offers full 10/100/1000 Mbps fast Ethernet performance over USB 3.0 and Ethernet ports, faster and more reliable than most wireless connections. | 3-Port USB 3.0 Hub Rate Up to 5Gbps, Ugreen USB Hub Ethernet Adapter simply helps you to connect up to 3 USB A devices to your PC or Laptop, such as external hard drive, USB flash drive, mouse, keyboard, USB headphone, speakers, USB webcam etc. | Widely Compatible for Nintendo Switch and Nintendo Switch Lite; The gigabit ethernet adapter with USB 3.0 hub supports Windows 10/8.1/8/7/XP/Vista, Mac OS and Linux. Compatible with IEEE 802.3, 802.3u and 802.3ab (10BASE-T, 100BASE-TX, and 1000BASE-T). Chipset AX88179. Note: Plug and Play only for Windows 10/8.1/8,Driver needed for Windows 7/XP, Mac OS and Linux systems.NOTE:Plug and Play only for Chrome OS, Windows 10/8.1/8. Driver needed for Windows 7/XP/Vista, Mac OS and Linux. | DC-Jack designed for power supply to this product when connecting USB HDD. Please kindly note: this product Only works with DC 5V (Center Positive Polarity) adapter for power supply. (Power plug sold separately).