Mini USB hub immediately expands a single USB port from your laptop, notebook, tablet, or docking station into a SuperSpeed USB 3.0 hub that supports 4 USB peripherals
Strip design provides roomy access to all four ports simultaneously; An integrated 12 inch flexible cable tail that tucks back into the hub for carrying in your laptop bag pocket
SuperSpeed USB 3.0 - Enjoy up to a 5 Gbps data transfer rate that is 10x faster than USB 2.0; Migrate files fast from a USB 3.0 flash drive or external hard disk drive while maintaining backwards compatibility with USB 2.0/1.x
USB hubs and cables have different version numbers (2.0 and 3.0) that indicates their transfer speed. The higher the version number, the faster they can work. However, to get the full power, the host and the device must have the same version.
If not, the lowest USB version in the chain will control the speed. For example, if your computer has a 2.0 USB port, your cable is 3.0, and your phone is 3.0, you will achieve 2.0 speed. If all three (computer, cable, and phone) all have 3.0 then you will have 3.0 speed.