? 40dB of hearing enhancement;? 1 environmental adaptive listening mode;? 4 digital sound processing channels;? 20-bit audio processor for crisp, clear sound;? 8-band graphic equalizer;? Nano-tech water repellent coating;? Automatic feedback control;? 20% smaller than Game Ear Series 1 ;? Toggle volume control;? Sound activated compression (SAC);? Low battery tone indicator;? NR:R 29dB;? Requires #13 battery;
