3M PELTOR CH-3 Headset is equipped with FLX2 Flex cables for easy and reliable connection to equipment for most applications. Modern cover design for high comfort and cushioning. All critical parts are rigorously tested and easy to replace without special tools, which contributes to lower maintenance costs. The speaker system is optimized for the speech frequency in noisy environments. Bright yellow for increased visibility IP68-rated noise-reducing boom microphone with optimized performance in noisy environments Flexible headband that adapts to the main shape for optimal comfort SNR: 30dB CSA Class A