Doporučení Android aplikace Dog Whistle - High Frequency Generator 78.23.76

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Dog Whistle - High Frequency Generator 78.23.76

Dog whistle emit sounds in the high frequency range. Humans can only hear up to 20 kHz, but dogs have much better hearing. Since dog whistle are silent to humans, but loud to dogs, they are perfect for training dogs. Dog whistle - High Frequency Generator is easy to use app. This Dog Whistle app…

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