Noise reduction and a parabolic sound collecting dish for better hearing.Look through the targeting scope and then pull the trigger to amplify soun.
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Sumas SMH-3010 Bionic Ear Listening Device w/Headphones - Pick Up Sounds as Far Away as 150'! : Electronics
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SPY GEAR SPY Listener Micro Listening Device on Sunglasses Wild Planet $39.99 - PicClick
Hey! Play! Electronic Listening Device for Science Exploration and Toy Spy Kits - Kid's Hearing Dish with Headphones Included for Boys and Girls : Toys & Games
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Simply point this Sumas SMH-3010 Bionic Ear Listening Device and take aim with the built-in scope and pull the trigger to capture audio within the
Sumas SMH-3010 Bionic Ear Listening Device w/Headphones - Pick Up Sounds as Far Away as 150'!
SPY GEAR SPY Listener Micro Listening Device on Sunglasses Wild Planet $39.99 - PicClick
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