Network Adapter, Anker USB 3.0 to RJ45 Gigabit Ethernet Adapter Supporting 10/100/1000 bit Ethernet USB 3.0 male A to RJ45 female adapter supporting 10/100/1000 bit ethernet. Adopts USB 3.0 standard. Backward compatible with 2.0/1.1 standards. Supports backpressure routing and IEEE 802.3x flow control for full-duplex (FDX) and half-duplex (HDX) systems. Compatible with IEEE 802.3, IEEE 802.3u and IEEE 802.3ab. Supports IEEE 802.3az (Energy Efficient Ethernet). Supports crossover detection, auto-correction and Wake-on-LAN (WOL). Supports Windows (32/64 bit) 10 / 8 / 7 / Vista / XP, Mac OS 10.5 or higher. Powered via USB  no external power adapter needed. LED indicators indicate operation. Package contents: Anker USB 3.0 to Gigabit Ethernet Adapter, welcome guide, our fan-favorite 18-month warranty and friendly customer service.