⭐ Top self defense tools
Here is a device that amplifies sounds all around you to help you listen better. Whether you want to eavesdrop on someone you know or listen to the sounds of nature, the Sound Amplifier has you covered. You can use it to hear faint sounds from up to 30 meters away. The device has a parabolic dish, microphone, on/off switch, and a focusing ring.
[where to get it]