Main Features:
● Easily add 4 USB 2.0 ports to charge your USB devices and transfer files.
● Independent supply provides power supply to connect devices. Support over current and unstant current protection.
● Support USB 3.1 / 3.0 super speed transmission， downward compatible USB 2.0， driver free， support Windows XP， 7， 8 and Mac OS， Linux.
● High-quality materials to ensure reliability and provide superspeed charging and transferring.
● Reversible design: Smaller， smarter and more convenient.