Ultrasonic Listener

Ultrasonic Listener

If the Bionic Ear isn’t enough, this little device will take it one step further by allowing you to listen to sounds that humans normally can’t hear.

Did you know there is noise all around us that humans can’t hear? Many animals such as bats, crickets and frogs send out sounds in ultrasonic frequencies. You can discover these sounds with this exciting kit. So go ahead and experiment. You won’t believe your ears!

Includes:

  • Listening device
  • Bat sound emitter
  • Earphones

The Secret Sounds – Ultrasonic Listener ($30) requires one 9V battery.

Ultrasonic Listener

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Robert Birming

About Robert Birming

Based in Stockholm, Sweden, Robert is a blogger and musician with an eye on innovative gadgets and design geekiness.

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