uni usb c to usb adapter 2 pack, aluminum usb-c [thunderbolt 3] to usb 3.0 adapter otg cable compatible for macbook pro 2020/2019/2018, macbook air/ipad pro 2020, dell xps, galaxy s21/note10 and more uni transfer files between your legacy usb devices to your new usb-c samsung s9/s8, macbook pro, macbook and many other usb-c smartphones/laptops/tablets. plug-and-play, no additional driver/software required, transfer speed up to 5gbps. compatible with usb flash drive, mouse, keyboard, card reader, camera, printer, hard drive, and many other usb connection devices.