The Recruit is a durable, inexpensive, single wire surveillance microphone. It is not only lightweight but comfortable too. It has a clear acoustic tube earpiece with an earbud. A perfect choice for discreet communications with security teams, airsoft teams, casinos/resorts, and retail outlets. This is a fabulous choice when resources are tight. Choose from M, M2, M3, M4, M6, M7, M12, Mid, or K audio jack.