Amazon.com: Digital Camera External Microphone Compatible with Panasonic Lumix DMC-GX85 Mirrorless Digital Camera, XM-AD2 Dual Channel XLR-Mini Audio Adapter for DSLR's, Camcorders and Pro Video Cameras : Electronics
Lumix GX80 / GX85 Mod Adds External Microphone Input Jack - YouTube
External mic jack mod for Lumix GX80 / GX85 – Webboggles
External mic jack mod for Lumix GX80 / GX85 – Webboggles
Amazon.com: Digital Camera External Microphone Compatible with Panasonic Lumix DMC-GX85 Mirrorless Digital Camera, XM-8 Mini Condenser Microphone, for DSLR's, Camcorders and Video Cameras : Electronics
Micro USB External Mic For Panasonic Lumix Gx85: Micro Four Thirds Talk Forum: Digital Photography Review