Voice Amplifiers / Long Range Listening Devices
Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. More complex systems contain an audio transmitter and receiver. Audio transmitters can be hidden in everyday objects such as calculators, phone cords, a computer mouse and more.;/p>
Wireless listening devices allow you to place the transmitter in the location you want to monitor and listen from afar. And some units allow for cell phone activation to listen to the device.