UGREEN Ethernet Adapter USB Gigabit Network Adapter 10/100/1000Mbps/1 Gbps with USB 3.0 Hub 3 Ports for Nintendo Switch, Wii, Windows Surface Pro, MacBook Air/Retina, iMac Pro, Chromebook, and More PC 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 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 Compatibility: Nintendo Switch Supported; This USB 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. 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 separatly). 1. Support 10/100/1000Mbps network access; 2. IEEE 802.3, 802.3u and 802.3ab (10BASE-T, 100BASE-TX, and 1000BASE-T) compatible; 3. USB-Powered, with no additional adapters required; 4. Supports suspend mode and remote wakeup via link-change, Magic Packet, Microsoft Wakeup Frame and external wakeup pin; 5. Supports Full and Half duplex operating modes; 6. Backwards compatible with USB 2.0 &amp; 1.1; 7. Chipset AX88179. 1. Extend 3 ports USB 3.0, convenient for your flash drive, keyboard, mouse, Camera, printer, HDD etc.; 2. Support the speed up to 5Gbps; 3. Backward compatible with USB 2.0 and 1.1; 4. Additional DC-jack is optional for some power hungry devices.