Settings > List of product settings (menu)
Related links
"About the app for earphones/headphones" (p.28)
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"List of settings (main screen)" (p.29)
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"Automatically adjust the sound quality according to the volume" (p.33)
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"Playing back sound according to your surroundings" (p.35)
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"Setting the auto-standby time" (p.39)
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"Automatically adjust the sound quality according to the product's fit" (p.34)
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32