[Features] Standby electret condenser microphone for similar headphones like Armorwerx/Peltor Comtac. For Comtac II/Comtac III/Comtac IV, plug and play installation. Solves volume/impedance issues with headphones used in commercial PTT and radios. Made of high-quality ABS material, durable, long service life. Professional manufacturing, good performance, clear sound quality. [Product Information] Product name: Replacement Boom Microphone Color: Black Material: ABS Size: 14 x 9 x 6 cm Packing list (you will receive after purchasing an item): Replacement Boom Microphone * 1 Please understand: 1. Due to the long shipping time, the item may be damaged during transport, if the item is damaged, please leave us a message via the official website immediately before leaving comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3 cm. 3. Colors may vary from screen to screen.