9
Charging the battery
Charging the headphones using the charging case
A rechargeable battery is built into the charging case. If you have charged the charging case, you can charge the
headphones without using the USB charging cable.
• If the rechargeable battery power is running low, the product will play a confirmation tone and voice guidance
through the headphones, and the indicator lamps of the headphones will flash in red.
1. Place the headphones in the charging case.
• When charging, the indicator lamps of the headphones light
as follows (it may take several seconds for the indicator
lamps to light).
Flashing in white : Charging
Off : Charging complete
Flashing in red : Charging error
2. Close the charging case cover.
Indicator lamps
When opening/closing the cover of the charging case, the 3 charging indicator lamps light as follows to indicate the
battery level of the charging case.
Battery (charging)
status of the
charging case
Charging indicator lamps
White Off
Lamp display Light pattern
(Charging required)
Only left lamp
flashing quickly
(twice in a row)
Only left lamp lit
Left and center
lamps lit
All lamps lit
Checking the battery level of the charging case
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