Yamaha TW-E7B Noise-Canceling True Wireless In-Ear Headphones (White) - Manual (Page 32)

App settings
This explains the settings and items you can check using the Headphone Control app.
[Search tag] #Q03 App
NOTE
The app screen and items may differ, depending on your product.
Main screen
(
AMBIENT SOUND
This function makes it easier to hear the sounds around you, such as announcements made on public
transportation, the sounds of passing cars and so on.
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Dedicated Application > App settings