Baseus Ingenuity USB-A to USB-C adapter OTG (blue)

The small USB-A (USB 3.1) to USB-C adapter by Baseus is compatible with a wide variety of devices and allows you to transfer files at speeds of up to 10Gbps. It also allows fast PD charging (using the appropriate cable, which must be purchased separately). The device is extremely durable, yet compact - you can always have it on hand.