• Use your premium Rocstor cable to connect your USB-C computer to USB-A 3.0 devices. With the Rocstor USB-C to USB-A 3.0 cable you can connect your computer with USB-C port to standard, newly released, USB-A 3.0 devices and accessories. Rocstor USB-C to USB-A 3.0 cable is the perfect solution for synching data and charging between your legacy computer and the latest tablets, smartphones and other devices. Use it with confidence and just simply plug the USB-C end of the adapter into your computer USB-C port, then connect your USB-A 3.0 camera, smartphone, tablet device or other device. Plus, you can also connect a USB cable to charge your smartphone or tablet.