• Fully charge the battery when using for the first time.
• It takes about 5 hours to charge the battery fully. (It varies depending on service conditions.)
• The Bluetooth ® wireless technology is disconnected during charging.
• The product is reset (via the reset function) when charging starts.
Computer
1 Connect the included USB charging cable (the micro USB terminal side) to the headphones' battery
jack.
* The included USB charging cable is specifically designed to charge the product. Data cannot be
transferred to and from a computer.
2 Connect the included USB charging cable (the Type A side) to the computer and start charging.
3 During charging, the indicator lamp turns on/flashes as follows:
Indicator lamp
Lights in red
Lights in blue
Flashes in red
* In case of a charging error, disconnect the product from your device and contact your Audio-Technica
dealer.
USB port
USB port
Type A
USB charging cable (included)
USB chargning cable (included)
Charging status
Charging
Complete
Error*
Battery jack
Battery jack
Micro USB terminal
Micro USB terminal
English
How to charge
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