10 pcs 2-Wire Clue Coil Suveillance Earpiece for Yaesu FT-65 FT-25 FT-4X/V

Yaesu: FT-4VR, FT-4XR, FT-25, FT-25R, FT-65, FT-65R. This 2-Wire Acoustic Ear Tube Surveillance Kit provides clear voice transmission and excellent focused sound quality. It has extra length, flexible, and durable Kevlar cable with PU transparent acoustic tube.

eBay