This spy device acts as a bionic ear, allowing you hear faint sounds up to 20-30 meters (66-98 feet) away, and loud sounds at 100 meters (328 feet) with the included stereo headphones. I
t also features a built-in monocular which will let you see objects at up to x8 magnification, and a digital sound recorder to record the sounds you hear.
A fine tuning frequency knob lets you adjust how wide the sound reception is, in order to focus in on one sound.
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