Yamaha YH-L700A Noise-Canceling Wireless Over-Ear Headphones - Manual (Page 22)

Operating this Product
Adjusting the volume
Follow the steps below to adjust the volume.
+ key
− key
(
Turn the volume up
Press the + key.
(
Turn the volume down
Press the − key.
NOTE
When connecting to a device (such as a smartphone) on which the volume can be adjusted, you can also adjust the volume using that
device.
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Operating this Product > Adjusting the volume