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• Fully charge the battery when using it for the first time.
• When the rechargeable battery is running low, the headphones will play a confirmation tone and voice guidance
notifying you of low battery level, and an indicator lamp will flash in red. When you hear/see these notifications, charge
the battery.
• It takes about 2 hours to charge the battery fully. (This time may vary depending on usage conditions.)
1. Connect the included USB charging cable (USB Type-C side) to the product’s battery jack.
• The included USB charging cable is designed for exclusive use with the product. Do not use other USB cables.
• When inserting the USB charging cable into the USB port or battery jack, insert it directly (horizontally).
• Charging in wet conditions should be avoided. Doing so may cause the product to malfunction.
Computer
Battery jack
USB Type-C
USB Type-A
USB charging cable
(included)
USB port
2. Connect the included USB charging cable (USB Type-A side) to the computer to start charging.
• While charging, the indicator lamp lights as follows.
Lit in red : Charging in progress
Off
: Charging complete
3. When charging is complete, disconnect the USB charging cable (USB Type-A side) from the computer.
4. Remove the USB charging cable (USB Type-C side) from the product’s battery jack.
Charging the battery
• If you charge while the product is on, it will turn off. When charging is complete, remove the USB charging cable and
turn on the product again.
• When charging, make sure to use the included USB charging cable. The product may not charge with cables other
than the included USB charging cable.
