Description:1 pin G Shape Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Yaesu for Vertex Radio VX-6R 7R 6E 7E 120 127 170 177 Radio Security Door Supervisor 3.5mm. Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether youre in security, retail, or hospitality. Provides excellent durability, reliability and performance in low-profile environment. The earbud fits snugly in the ear with easy and keeps your conversations private. Compatible with two way radios walkie talkie that required 1 pin 3.5mm plug, threded 4 condoctors. Specification:Material:polyvinyl chlorideSize Chart:Size:Approx.100x50x20mm/3.9x1.97x0.79inchPackage Includes:1 Piece G Shape Earpiece HeadsetNote:All dimensions are measured by hand, there may be small deviations.Color may vary slightly due to the color setting of each individual monitor.Thanks for your understanding.Please enjoy your happy shopping time!