Bose QuietComfort Earbuds II Noise-Canceling True Wireless In-Ear Headphones (Triple Black) - Manual (Page 34)

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BATTERY
CHARGE WIRELESSLY
You can use a Qi-compatible third-party wireless charger (not provided) to charge
the case.
Place the charging case in the center of your wireless charger.
The charging case status lights glow (see page 36).
NOTE: For more information, refer to your wireless charger owner’s guide.