• Advanced digital circuitry;• Active dynamic sound suppression;• High-gain omnidirectional microphones;• 4 listening modes: universal, speech clarity mode, high frequency and power boost;• Wind noise reduction;• Voice-mode navigation;• Auto shutoff for 2/4/6 hours;• Controls on headband;• Less holes in muff cups improve NRR;• Ergonomic headband design;• Rubber bumpers on lower cup;• Low battery warning;• NRR 26;• Includes manual and 2 AAA batteries;