Add three USB 3.0 ports (5Gbps) and a GbE port to your MacBook using this silver Apple style hub with an extended-length cable for flexible desktop placement 3 Port Portable USB 3.0 Hub plus Gigabit Ethernet Built-In Cable / Aluminum and Compact USB Hub with GbE Adapter Silver USB 3 hub perfect for MacBook / Travel friendly with a portable lightweight design Hub with RJ45 port matches your MacBook Pro or MacBook Air USB-powered / Ideal for laptops / Supports Windows Mac and Chrome OS