Charging
When using a commercially available USB conversion AC adapter, make sure to choose one with an output voltage of DC 5 V and output current of 1 A and above. Otherwise, it may result in malfunction or abnormal heating.
Use only the supplied charging cable to charge the System.
The System cannot be used while charging.
Using the supplied charging cable, connect the System and a commercially available USB conversion adapter.
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1Connect the charging cable provided to start charging.
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Insert the USB AC adapter into the AC outlet to start charging.
5V TYPE
The indicator lights up in red, and charging starts.
The charging time is approx. 3 hours. When charging is complete, the indicator goes out.
Charging may stop if the temperature exceeds the charging temperature range (5 °C (41 °F) to 40 °C (104 °F)). (The indicator flashes in red.) In that case, perform charging within the charging temperature range.
Depending on the BLUETOOTH device connected, the remaining battery power of the System will be displayed but this may not be accurate. Use it as a guide.
The System cannot be charged when the dedicated headphone cable is connected.
To prevent deterioration of the battery, charge the headphone once every 6 months when the headphone has not been used for a long period of time.