SHARKK USB Hub With Ethernet RJ45 Port UH-SKHR34 Super Speed with USB 3.0. Speeds up to 5 Gbps. USB Hub Add Ethernet Support to your device Ethernet 10/100/1000 (Gigabit) compatible. Solid yet lightweight, modern Design with aluminum frame. Perfect for travel. Bring out the full functionality of your Mac Book Air, ultra-portable laptop, or other Ethernet port-less device. RJ45 Ethernet port