Feature: 1. High Speed: AX88772 fiber optic adapter supports USB full speed and high speed modes, and the power drive capability supports bus powered and self powered modes. 2. Power Saving Mode: USB A optical port adapter supports self separation power saving mode, when it detects that the internet cable is removed, it will automatically disconnect from the USB host. 3. Improve Efficiency: Fast Ethernet fiber adapter supports 4 programmable USB bus endpoints (endpoints), which can use the burst transmission mechanism to make the packet transmission rate on the USB bus higher. 4. Easy to Use: Compliant with USB specification v1.1 and v2.0, 100Mbps Ethernet LAN function based on IEEE802.3 and IEEE802.3u standard, and simple plug and play Fast Ethernet internet connection function. 5. Wide Application: The 100M Ethernet server adapter is suitable for desktop computers, notebook computers, smart home appliances and any embedded system with standard USB ports. Specification: Item Type: 100M Ethernet Server Adapter Material: ABS Connector Type: USB2.0 Port Type: SFP Fiber LC/SC Transmission Rate: 100mbps. Package List: 1 x 100M Ethernet Server Adapter