Feature: 1. [Adjustable] The headset has a hook and loop adjustment strap, which can easily adjust the length of the throat microphone, military throat microphone. 2. [Waterproof Headphones and Microphone] The transparent sound tube transmits the received signal from the neck mounted speaker to your ear. 3. [Noise Reduction] This throat microphone can filter out distortion and other noise produced by speakers, reduce electromagnetic radiation, and protect ears. 4. [Detachable] Throat mic with detachable elastic band keeps your face and head unobstructed to accommodate gas masks and helmets. 5. [7.1mm Interface] The headset has a new 7.1mm military standard plug, which requires an external PTT walkie talkie. Suitable for various scenarios. Specification: Item Type: Throat Microphone Material: PE+Silicone Colour: Black Interface: 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 time 2.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 ears 3. 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 degree 4. Hook and loop Adjustment Belt, the Length of the Throat Microphone Can Be Easily Adjusted by Using the hook and loop, Simple and Fast. Package List: 1 x Microphone1 x Air Duct 1 x Extension Accessories1 x Card Pin