Another part of the issue is that cables also want to support fast charging technologies for smartphones and other products. (androidauthority.com)
Judging by the range of wireless charging technologies in the works, that might not be the case for much longer. (newatlas.com)
But there's new quick charge technology in the charging case that should give you an hour's battery in the earbuds from only 10 minutes inside the case. (techradar.com)