Features: brand new and high quality Support 10/100/1000 Mbps automatic recognition Usb3.0/Type C interface; backward for USB2.O Support automatic MDIX (automatic detection of straight and for cross network cables) USB power supply supports full-duplex high-speed data exchange for IEEEE 802.3, 802.3 and 802.3 u, ab (10 base-t, 100, and 1000 base-tx) Slim, compact and lightweight design makes this USB RJ45 Ethernet Connector portable to carry around. for Ideal for travel use. for Smart chaip, significantly improves stable data transfer. Specifications: Product Name: Gigabit Network Adapter Product Weight: 30g Item Size: approx 143x26x16mm/5.63x1.3x0.63in Body material: ABS plastic Interface Type: RJ45 with Type-C / USB3.0 (Optional) Transmission Speed: 10/100/1000M System Support: for Windows 8/ 7/ Vista(32/64bit), XP, 2003/2000,OS X, Linux Features: Support 1000M Ethernet, Support Hot Swap Package Includes: 1 PC x USB3.0/Type C to Lan Adapter note: If you choose a 1000Mbps wired network card, its chip is Realtek RTL8153, and the highest network transmission speed is 1000Mbps.