Just buy a USB extension cable Female to male like this one I use, https://www.amazon.com/dp/B071DMMW4J?ref=ppx_yo2_dt_b_product_details&th=1
Use the DJI supplied OTG cable Plugged into the RC and extend it with the extension, *note it does not need to be OTG nor USB 3.2 although USB 3.2...