RM Series: RMU2040, RMU2043, RMM2050, RMU2080, RMU2080D, RMV2080, RVA50Yaesu : FT-4VR, FT-4XR, FT-25R, FT-65R. Protruding & tactile PTT button with integrated high sensible microphone. This G-Shape Earhanger Earphone with Inline Push-to-Talk Microphone for Two-Way Radio provides clear voice transmission and excellent focused sound quality.
eBay