I use this with my iPhone 16, which is USB-C (as is the 15).
https://www.amazon.com/dp/B09DD4S4D1?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1
Also, I am guessing there will be new Dragonfly's out soon, as they have been blowing our the Blue's for about a year. My guess is that they will be USB-C.
-docknow