User Manual
11
Using the product
The product can use Bluetooth wireless technology to connect to your device and play music, receive phone calls, etc. 
Use the product for whichever of these purposes suits your needs.
Note that Audio-Technica cannot guarantee the operation of displays, such as the battery level display, or applications 
via Bluetooth devices.
Power supply ON/OFF
Power supply Operation Indicator lamps
ON*
1
Remove from the 
charging case and 
power turns on 
automatically.
Lights in white,  
then flashes in white*
2
 *
3
Press and hold (for 
about 2 seconds)
the multifunction 
buttons to turn the 
power on manually.
OFF*
1
Place in the 
charging case and 
power turns off 
automatically.
Lights in white, then turns off*
3
Press and hold (for 
about 4 seconds)
the multifunction 
buttons to turn 
the power off 
manually.
*4
*1  If you are wearing the product, you will hear a beep to indicate when the product has turned on and off.
*2  It may take several seconds for the indicator lamp to light.
*3  For details, please refer to “Indicator lamps on the headphones” (p.15).
*4  When you turn off the R (right) side, the L (left) side also turns off automatically.










