This dual USB drive has two different ends ... If your older smartphone doesn’t have USB-C, you’ll have to purchase an adapter cable. They’re usually pretty cheap. BUY NOW $109.99 $ ...
So it's worth weighing up if you’ll get good use out of the dual USB-C charging ports. If you want to charge two devices at once, but you want to use one of your USB-A to USB-C/lightning cables ...