USB-A To 2500Mbps RJ45 Network Card Ethernet Adapter (Grey) 1. Wear resistance and good heat dissipation: Fully aluminum alloy cover, surface anodization process, delicate contact, wear-resistant, anti-corrosion, strong and durable. 2. Stable transmission and strong anti-interference: Tinned copper core transmission, stable and strong anti-interference 3. Compatible with multiple systems, plug and play: No driver required, compatible with Windows series, Mac OS, Linux and other systems 4. Lightweight, portable and no burden: Mini size, can be placed on the desktop or carried around without taking up space 5. "Core" upgrades network without delay: Using RTL8156B chip, it is more compatible and can be used for a long time. The smart chip does not get hot and the transmission is stable and smooth.