Hearing Enhancer/Sound Amplifier. Two pack. Small in-the-ear design. Adjustable tone control. dB limiting. Using two sound amplifiers allows the user to more accurately pinpoint direction and distance. Multiple size ear tips included. A great way to try sound amplification in the field in a cost-effective manner. Comes with 4 zinc air batteries (A312). Light weight construction. Natural color finish. Hang packaged. FEATURES Increases hearing Compact In-The-Canal design can be used in either ear On/Off Switch dB Limiting @ 105dB Can be used in either ear Available in Beige Power source: A312 Zinc Air Batteries Mfg: Walkers Game Ear