1.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. 2.Support Wake-on-Lan (), Full-Duplex () and Half-Duplex () Ethernet, Auto Crossover Detection, IPv4/IPv6 protocols, IEEE 802.3/IEEE 802.3u/IEEE 802./IEEE 802.3az/IEEE 802.3bz(Energy Efficient Ethernet) 3.Slim, compact and design makes this USB RJ45 Ethernet Connector portable to carry around. Ideal for travel use. 4.The outstanding RTL8156 chip ensures an ultra-fast, stable and secure data streaming. 5.Built with standard USB and RJ45 connectors, the USB Network Adapter fits snugly to your devices and significantly improves stable data transfer. Due to different product batches, the appearance , which does not affect the use Chipset:Realtek RTL8156 Input Interface: 1x USB 3.0 Port Output Interface: 1 x 10/100/1000Mbps/2500Mbps 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 Support :Driver-, plug & play on for OS,for iOS. Integrated driver for 10/8.1/7/Vista/XP Material:Aluminum Alloy Package Contents: 1 x 2500Mbps USB Network Adapter(Due to different product batches, the appearance , which does not affect the use)