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モスキートーン

チャンネル登録者数 3120人

245 回視聴 ・ 5いいね ・ 2024/09/04

超音波でカラスを退治しよう！！

Let's get rid of crows with ultrasonic waves.

Crows are not good at high frequency.
Keep crows away by playing high-frequency waves.

The audio is created at the very edge of high frequency that can be played on YouTube.

A high frequency of 19 kHz is played for one hour.
Please note that some devices you are using may not play well.

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