Aluminum Alloy USB 3.0 HUB 5Gbps High Speed Docking Station Expander OTG Multi Splitter Adapter for MacBook Pro/Air/Huawei Mate

These are three types to choose :
(1)4 in 1 hub：3 *USB2.0 +1* USB3.0 USB Docking Station ,Aluminum Alloy
(2)7 in 1 hub：6*USB2.0 +1* USB3.0 USB Docking Station ,Aluminum Alloy

Features:
1.Small and light, easy to carry
2.Unique card opening design, convenient and energy saving
3.4-port USB interface supports hot swap, plug and play, easy to use
4.Interfaces are arranged in parallel, no interference with each other, good compatibility
5.The length of the connecting line is 30cm, with good flexibility and more convenient use
6.Support overload voltage and instant current protection functions, effectively protecting the connected equipment and the HUB itself
7.The theoretical transmission rate of USB3.0 interface is up to 5Gbps, and it is backward compatible with USB2.0/USB1.1
8.Drive-free support Windows XP/Vista/7/8 & MAC with USB support