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Charging the earphones
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1Open the charging case.
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2Insert 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 will light up. When charging is complete, all indicators will turn off. When the earphones are inserted in the charging case, the indicators on the charging case will light up for a few seconds to indicate the remaining power of the charging case. When the indicators on the charging case do not light up, it shows that the charging case is not fully charged. Charge the charging case. Charging the charging case
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.
When the charging case is fully charged, it can be used to recharge the earphones fully up to about 2.8 times.
When the battery of the charging case runs low while the earphones are charging, the leftmost indicator on the charging case will light up for about 8 seconds before it turns off.
The earphones may stop charging if the temperature exceeds the charging temperature range (5 °C (41 °F) to 35 °C (95 °F)). (The indicators flash twice repeatedly). In such a case, remove the earphones and then re-insert to resume charging in an environment 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.