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Charging the earphones
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1Open the charging case.
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2Set the L and R earphones correctly and firmly into the charging case.
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Check that the indicators light up.
During charging, the indicators on the earphones light up. The indicator on the charging case will light up for 3 seconds. When the indicator on the charging case does not light up, remaining battery of the charging case is low. Charge the charging case. Charging the charging case
When charging is complete, the indicators on the earphones will turn off.
The charging time for the earphones is approx. 2 hours.
After the earphones are inserted into the charging case, the power of the earphones will automatically turn off.
The earphones may stop charging if the temperature exceeds the charging temperature range (5 °C (41 °F) to 35 °C (95 °F)). (The indicator light goes out.) Charging will resume automatically in an environment where the temperature is back within the charging temperature range.
Depending on the BLUETOOTH device connected, the remaining battery power of the earphones will be displayed but this may not be accurate. Use it as a guide.
To prevent deterioration of the battery, charge the earphones once every 6 months when the earphones have not been used for a long period of time.
When charging the earphones that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.