Specification:Item Type: Throat MicrophoneMaterial: PE+SiliconeColour: BlackInterface: Military 7.1mm Interface (Need to Use External PTT)Applicable Temperature: -10℃-42℃Parameter:1. Silicone earplugs, comfortable to wear, soft and skin-friendly, no ear pain after wearing for a long time2.PE air duct, the sound is transmitted through the air, which can filter out the distortion and other noises produced by the speaker, reduce electromagnetic radiation, and protect the ears3. Throat microphone, close to the throat, the microphone feels the vibration of the throat and transmits the sound, effectively filtering 90% of the environmental noise, and improving the sound reduction degree4. Hook and loop Adjustment Belt, the Length of the Throat Microphone Can Be Easily Adjusted by Using the hook and loop, Simple and FastPackage List:1 x Microphone1 x Air Duct 1 x Extension Accessories1 x Card Pin