5
Charging the battery
• Fully charge the battery when using for the first time.
• When the rechargeable battery is running low, the product will sound 2 sets of 2 beeps through the headphones, and
an indicator lamp will flash in red. When these beeps sound, charge the battery.
• It takes about 4 hours to charge the battery fully. (This time may vary depending on usage conditions.)
1. Open the USB connector jack cover.
2. Connect the included USB cable (micro USB Type B side) to the USB connector jack.
• The included USB cable is designed for exclusive use with the product. The operation of this cable with other
products cannot be guaranteed.
3. Connect the included USB cable (USB Type A side) to the computer to start charging.
During charging, the 3 indicator lamps light as follows to indicate the battery level.
Battery charge
status
Indicator lamps Red White Off
Lamp display Light pattern
Less than 30%
Flashes
30 to 60%
Only center lamp flashes
60 to 100%
Only left lamp flashes
Charging complete
Lights
Charging error
Flashes quickly
• Charging errors are caused by battery malfunction. Disconnect the product from the computer and then contact
your local Audio-Technica dealer.
4. When charging is complete, disconnect the included USB cable (USB Type A side) from the computer.
5. Disconnect the included USB cable (micro USB Type B side) from the USB connector jack and close the cover firmly.
USB connector jack
USB port
USB Type A
USB cable
(included)
Micro USB Type B
Computer
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General
Weight and Dimensions
