Behind the Neck Design; Hi-Performance digital circuit delivers blazing fast reaction time ensuring optimum hearing protection; Advanced Digital Circuit provides superior clear digital sound; Gel filled ear pads for cooling and comfort; Slim low profile design with rubberized spray; Full dynamic range HD Speakers for clear balanced sound; Active Dynamic Sound Suppression plus sound dampening composite housing; Rechargeable USB-C charging port; 3.5mm audio jack; 2000mAH (200 hours battery life); Weather Resistant - IP54 ANSI rated; Auto Shut Off