About this item Material: Aviation Headset's earpads are made of artificial leather and silicone gel which are very comfortable and kind to the skin Microphone: The transmitter is equipped with a high-fidelity electret microphone Construction: The headset's metal support has a high-gloss coating that makes it more resistant to corrosion; High-quality rubber-plastic cushioning configuration disperses clamping forces for improved comfort SNR Hearing protection: Advanced noise reduction function up to 25 dB; A volume control knob is also available Features: General Aviation Headset with 3.5 mm input jack for AUDIO.