Details: Included Item(s): Pryme SPM-1500 Series GLADIATOR Heavy Duty Throat Microphone. Dual Microphone elements pick up sound directly from users throat so very little ambient noise is heard. Product Description: The GLADIATOR tactical HD throat mic system blocks background noise by picking up sound directly from user s vocal cords. Dual mic elements provide excellent audio and eliminate the throat location placement issues often found with single element products. Has a surveillance style acoustic tube earphone for private communications. Tactical, heavy-duty throat microphone with acoustic earphone Blocks background noise by picking up the sound of the user s voice directly from vocal chord vibration. Uses PRYME s large TACTICAL TOUCH Push-To-Talk (PTT) which can be interchanged with several styles of optional PTT. (Optional PTTs sold separately.) New single piece microphone for comfort with performance Heavy-duty construction, featuring polyurethane cable, rubber, and high-impact polycarbonate Clear acoustic tube style surveillance earphone made of heavy grade surgical tubing Large PTT button for tactical set-up Warranty: 1 year Compatible Models: Vertex Models – VX?130, VX?131, VX?132, VX?160, VX?180, VX?210, VX?210A, VX?230, VX?231, VX?350, VX?351, VX?354, VX?400, VX?410, VX?420, VX?427, VX?450, EVX?530 (Digital) Part#: SPM-1522S