Walkers Game Ear HD Power Elite provides 4 program settings: general, crowds, nature, and power boost. Provides adjustable frequency tuning and 50dB of hearing enhancement. A 20 bit audio processor provides for crisp, clear sounds. The Game Ear HD Power Elite also provides and 8 band graphic equalizer, a Nano-Tech water repellant coating, automatic feedback control, a toggle volume control, sound activated compression, a low battery tone indicator, and a noise reducing rating of 29dB. Powered by source #13 battery. Includes Walkers field carrying pouch.