Amazon.com: JJC Dual USB-C 3.5mm Mic Adapter for DJI Osmo Action (Not Compatible with DJI Osmo Action 2 3 4) Charging and Data Transferring, Audio Adapter Vlogging Accessories for OSMO Action Camera :
USB-C to 3.5mm Mic Adapters - DJI Osmo Action 3 & Action 4 Owners watch THIS for better audio! - YouTube