Increases Hearing, Fits In The Ear, Lightweight, On/off Switch, Mild Compression Circuit, Db Limiting, Can Be Used In Either Ear, Power Source, A312 Zinc Air Batteries, Includes 2 Units, Sound Tube, 2x S/m/l Tulip Tips, 4 Batteries, & Carrying Pouch Upc : 757903111165 Shipping Dimensions : 1.00in X 3.90in X 6.50in Estimated Shipping Weight : 0.25<p> <b><b><img src="https://contestimg.wish.com/api/webimage/589b5645b94aa65224e6d7a5-large.jpg></b></b></p>