Code Red TBCH-PRO Tactical Bone Conduction Boom Mic Headsets. Dual bone conduction temple speakers to send and receive leaving your ears free to allow 360 degrees of situational awareness. Boom Mic is best for high noise because of its noise cancelling and directional features. It features a large robust push-to-talk that is easy to operate. Bone conduction mic can be used with an SCBA or Gas Mask. Used by SWAT HAZMAT and gang units. Headset only PTT and Down Lead sold separately. Specifications for Code Red TBCH-PRO Tactical Bone Conduction Boom Mic Headset: Manufacturer: Code Red Headset Type: Modular Package Contents: Code Red Tbch-pro Tactical Bone Conduction Boom Mic Headset Code Red CRD24037: TBCH-PRO Tactical Bone Conduction Boom Mic Headsets