Listen-only headsets are designed for industrial users in high noise environments. Incorporating Peltor's latest technology in both earcup design and electronics make this headset the ideal choice for clear, crisp listen-only reception in extreme noise areas in industries such as: Heavy Equipment Operators, Airport workers, Construction Manufacturing, Agricultural, Racing etc. Patented stainless steel spring arms designed for durability and low pressure. Available in headband, neckband and hard hat mount with either 3.5mm mono plug, 2.5mm mono plug or 3.5mm threaded stereo plug.