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Spy Listening Devices
Spy listening devices are best described as any piece of equipment that allows the user to listen in on sounds eminating from a target area while remaining unnoticed or at a distance from the target area.
Spy listening devices are mainly used in investigations as a way to gather evidence from afar, but are also commonly used by hobbyists (such as bird watchers) or or the media (sports broadcasters) to record such things as wildlife sounds or sporting events.
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