Finally, the DJI Osmo Pocket 3.5mm adapter is available
Osmo Pocket 3.5mm Adapter - Drones Made Easy
Osmo Pocket: Unboxing and What's New - DJI Guides
DJI USB-C to 3.5mm Mic Adapter for Pocket 2 and Osmo Pocket — Glazer's Camera
USB-C to 3.5MM Mic Microphone Adapter Pocket Audio Adapter for DJI Osmo Pocket Mic Converter - AliExpress
USB-C to 3.5mm Audio Microphone Adapter For DJI Osmo Pocket | Pixco - Provide Professional Photographic Equipment Accessories
For DJI Pocket 2/ DJI Osmo Pocket 3.5mm MIC Adapter Supports External 3.5mm Microphone Mic Adapter DJI Osmo Pocket Accessories - AliExpress
Osmo Pocket 3.5mm Adapter - Drones Made Easy
Amazon.com : Movo PMA-1 DJI Osmo Pocket Microphone External Sound Adapter USB Type-C to 3.5mm TRS External Microphone and Audio Adapter is The Perfect Microphone Adapter for Your DJI Osmo Pocket Accessories