Cateck USB 3.0 Hub 3 Ports Bus-Powered Hub with RJ45 Gigabit Ethernet Adapter Sleek Apple-style design ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini; Red LED indicates power satus USB3.0 super speed (theoretical maximum transfer of up to 5 Gbps), complete utilisation of Gigabit ethernet connection resources. Supports IPv4/IPv6 protocols, dual channel transfer mode, automatic transfer and data stream reversing regulation Supports Hot Swap and Plug & Play at all USB ports, simple and intuitive handling. Theoretical transfer speed of up to 5 Gbps (The actual transmission speed is limited by the setting of the device connected), reciprocal compatibility with USB2.0/1.1/1.0. Expands your PC with three USB3.0 ports and one RJ45 Gigabit ethernet port, especially as flexible solution for Ultrabooks, notebooks and tablets featuring USB interfaces. The device ensures a neat and rational arrangement of all connections, plugs and cables do not interfere with each other, comfortable usage Package Content: CateckUSB 3.0 Hub with 3*USB 3.0 and Gigabit Ethernet Adapter; One driver CD; One operation manual