Look through the targeting scope and then pull the trigger to amplify sound. Other features include on/off switch, 8x monocular, frequency controller, record button, playback button and FREE headphone.(No include SD card, only records for 12 seconds). Kindly note: The Headphone is a free gift. Extraordinarily powerful, electronic listening device lets you "HEAR" and "SEE "a conversation from a football field away. The ears and eyes are powerful enough to capture distant sounds (and voices) from 300 feet away. Viewfinder with 10x prism optical system lets you zoom in and see what you're hearing close up. The item "Parabolic Microphone Spy Listening Device Bionic Ear Sound Amplifier Gadget 300m" is in sale since Tuesday, February 5, 2019. This item is in the category "Consumer Electronics\Other Consumer Electronics".
The seller is "justtreasurehunter" and is located in Portland, Oregon. This item can be shipped to United States.