Caution, Place the earbuds in the charging case – Yamaha TW-E7B Noise-Canceling True Wireless In-Ear Headphones (White) User Manual
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Place the earbuds in the charging case.
The earbud indicators light up red while charging, and turn off when charging is completed.
Charging takes about 2 hours.
CAUTION
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When charging the earbuds, use caution regarding the ambient temperature.
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Recommended charging temperatures: 10–35ºC
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If the ambient temperature exceeds the recommended charging temperature, the earbuds may stop recharging. When the
ambient temperature returns to the recommended charging temperatures, the earbuds will automatically start recharging
again.
NOTE
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Once you place the earbuds in the charging case, the indicators on the charging case will show the remaining battery power for five
seconds (except when the charging case itself is still charging).
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You cannot connect the earbuds via Bluetooth or use them for playback while they are recharging.
Related links
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Charging and Powering > Charging the earbuds