Midland Acoustic Throat Mic Acoustic Throat Mic Headset for clear voice transmission;Inline VOX-PTT Switch for easy mode transition;Dual Pin Connector for a secure device connection;Throat Microphone with an In-Ear Speaker for discrete listening;Acoustic Sound Tube for superior audio quality;Vibration Sensors to enhance voice pickup;Compatible with all Midland GMRS/FRS walkie-talkiestable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4100 Product Group Code: 4100B Inactive: Yes Prop65 Applies: Yes Prop65 Cancer Harm: Yes Prop65 Chemical: Styrene