The Ham Radio All-in-one cable (AIOC) is a small PCB attachment ... so is compatible with at least the Baofeng UV-5R but likely many other cheap transceivers that have the same physical setup.

and the attached USB cable allows him to connect to an off-the-shelf 3.7 volt LiPo USB charger, easy to come by in multicopter circles. YMMV – the Baofeng UV-5R dual-band HT sitting on my desk ...

Warranty&Compatibility: 12 months warranty; Radio Earpiece/Walkie Talkie Earpiece Headset compatible with Baofeng Kenwood Retevis ... high purity copper wire cable and anti-Interference circuit ...