EM-4438 is a Single Wire Transparent Acoustic tube security surveillance headset allows you to communicate easily and discreetly when using your two way radio. The EM-4438 Walkie Talkie Earpiece features a microphone with push-to-talk (PTT) and a clear acoustic tube with rubber eartip for comfortable wear during extended periods.

EM-440250 Transparent Acoustic Tube Earpiece with Large PTT.With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also ideal for surveillance purposes and security at airports,crowd control at conventions and concerts, and other workg environment requirg discreet communications.