Sonic Ear Personal Sound Enhancer
What binoculars do to improve your vision, the Sonic Super Ear® does to improve your ability to hear the sounds around you. With 50 dB of gain, enabling you to hear what you've been missing. Comes with accessories to attach to binoculars, belt, hat or other gear. The multi-element microphone is mounted in a 180 degree swiveling sound boom. Stereo headphones included. Requires 1 AAA battery, included.
More information: http://www.independentliving.com/prodinfo.asp?number=617740