ATTENTION: 1. USB hub for the left side of your computer. 2. The 5V2A USB C port CANNOT be used for transferring data and charging other devices. It can only supply power for the other 3 USB 3.0 ports(2*USB A 3.0 +1*USB C 3.0 ), which can make data transfer more stable. In Additions
USB 3.0 Male: Macbook Air 2017 and earlier, Microsoft Surface, Surface Pro 7, Thinkpad, Dell Latitude, Desktop Computer PC and other laptop with USB portUSB 3.0
Female Ports: Keyboard, Mouse, USB Bluetooth Adapter, USB flash drive, Hard Drive, U Disk, HDD, Camera, Webcam, Printer, game controller, USB fanUSB
Hub Multiport Adapter: contains 2*USB A 3.0 and 1*USB A 3.0 ports, supports super faster data transfer up to 5Gbps which is 10X faster than USB 2.0 (480 Mbps), which allows you to transfer datas in just seconds; USB extension hub was built in OTG function chip, it can easily connect the mouse, keyboard, USB disk, and other USB devices to your laptopKindly
Reminder: When connecting devices that require much power, you can connect the 5V/2A charger to the USB C power port to ensure stable and fast data transmission. The USB hub NOT suitable for connecting 2 hard drives simutaneously, the power consumption is too much and will lead to disconnection.