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freebuds pro can be charged with a phone charger without any problems.
If it is a wireless charging version, no, you need a wireless charger. If it is a wired version, it depends on whether the output current and voltage match.
Freebuds2 Pro supports Qi charging, and possibly a compatible iPhone. The new Freebuds are similar to Airpods, and when shown to passers-by, they'll think you're fiddling with one with more features.