Sescom TRRS to XLR Microphone & 3.5mm Monitoring IPHONE-MIC-1
RUSR 3.5mm TRS to TRRS Microphone Adapter For RODE Videomic Pro+/VideoMic GO Mic - Walmart.com
Microphone Jacks, Simple Adapters or Connectors TS, TRS to TRRS for Smartphones or Cameras Review - YouTube
Amazon.com: simorr 3.5mm TRS/TRRS Professional Lavalier Microphone for Mobile Phone, Computer for YouTube Video Shooting, Video Conference, Vlogging Lapel Clip-on Mic Cable, Length 6.5ft, Balck - 3388 : Electronics