How does your phone constantly listen for 'hey siri' without running out of charge

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Reddit Explains
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Published on ● Video Link: https://www.youtube.com/watch?v=UKvpJFRSTXw


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Have you ever wondered how phones constantly listen for phrases like 'hey siri' or 'hey google' and not run out of charge a lot quicker? If you have and want to know why then I recommend watching this video!



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