
I have this adapter to easily transfer files to my iPhone. When I understood how it works I was very happy. You will notice that I have a power cord in the photos; You can access flash drives and memory cards without power, but USB mice, keyboards, and external hard drives require power. I tried connecting an external NVME hard drive and it worked great. I like to try the USB keyboard and mouse, it was fun to control my iPhone with it. I would recommend this USB adapter, works great.

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