IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.
When the remaining battery charge is low, the indicator lights on the headphones or the charging case will repeatedly and slowly flash orange for about 15 seconds. Set the headphones into the charging case and charge them using the supplied USB Type-C™ cable when this happens.
Check the following if you want to check the status while charging or if you can't charge the battery:
If the indicator lights keep repeatedly flashing even after charging, it means that the rechargeable battery has an abnormal temperature or the headphones may be malfunctioning, and may require repair.  Go to Product Repair.