Charging
When charging the headphones, be sure to use a USB to AC adapter with DC 5 V power output to avoid malfunction or abnormal heat generation.
Use only the supplied charging cable to charge the System.
Do not use this System while charging is in progress as the rechargeable battery may become hot.
If the noise canceling function is used, turn it off during charging. (Set the NC switch to OFF.)
Using the supplied charging cable, connect the System and a commercially available USB conversion adapter or a computer while the computer is on.
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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.
The System cannot be charged when the temperature protection function is in operation. In that case, perform charging within the usage temperature range (5 °C (41 °F) to 40 °C (104 °F)).
The System cannot be charged when the dedicated headphone cable is connected.