3.5mm Police Listen Only Earpiece Acoustic Tube Headset for Motorola Mic Speaker

MaximalPower RHF 617-1N 3.5mm RECEIVER/LISTEN ONLY Surveillance Headset Earpiece with Clear Acoustic Coil Tube Earbud Audio Kit For Two-Way Radios, Transceivers and Radio Speaker Mics Jacks. MaximalPower™ Premium 3.5mm RECEIVER/LISTEN ONLY surveillance headset earpiece.

eBay