The USB to Gigabit Ethernet Adapter supports high-speed broadband up to 2.5Gbps (2500Mbps), 2.5x faster than 1Gbps Gigabit Ethernet and backwards compatible with 10/100/1000Mbps. Supports Wake-on-LAN, Full-Duplex and Half-Duplex Ethernet, Auto Crossover Detection, IPv4/IPv6 protocols, IEEE 802.3/IEEE 802.3u/IEEE 802.3az/IEEE 802.3bz (Energy Efficient Ethernet). Slim, compact design makes this USB RJ45 Ethernet connector portable and ideal for travel use. The RTL8156 chip ensures ultra-fast, stable and secure data streaming. Built with standard USB and RJ45 connectors, the USB network adapter fits snugly to your devices and significantly improves stable data transfer. Input Interface: 1 x USB 3.0 Port Output Interface: 1 x 10/100/1000/2500Mbps RJ45 Ethernet Port or 1 x 10/100/1000Mbps RJ45 Ethernet Port Temperature Range: Operating: 0℃-40℃ (32℉-104℉), Storage: -40℃-70℃ (-40℉-158℉) Humidity: Operating: 10%-90% non-condensing, Storage: 5%-90% non-condensing Supports driver-free plug and play on compatible operating systems Integrated driver for Windows 10/8.1/7/Vista/XP Color: Black Material: Plastic Package Contents: 1 x Wired Network Card Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3cm.