Amazon.com: Dual USB-C 3.5mm Mic Adapter for DJI Osmo Action (Not Compatible with DJI Osmo Action 2 and Action 3) Charging and Data Transferring, Audio Adapter Vlogging Accessories for OSMO Action Camera :
Saramonic LavMicro U3-OA Lavalier Microphone designed for DJI Osmo Action w/ 6.6' (2m) Cable & USB-C Connector | PhotoVideoEDU