Sony WH-1000XM4/S Help Manual page 35

Help Guide
Wireless Noise Canceling Stereo Headset
WH-1000XM4
Disconnecting the Android smartphone with one-touch (NFC)
You can disconnect the headset from the connected smartphone by touching the headset with it.
Unlock the screen of the smartphone if it is locked.
1
Touch the smartphone with the headset.
2
Touch the smartphone to the N-Mark on the headset.
You will hear the voice guidance say, "Bluetooth disconnected".
Note
In the factory setting, after 15 minutes of not being worn, the headset automatically turns off. Press and hold the
button for about 2 seconds to turn off the power before that time. You will hear the voice guidance say, "Power off", the indicator
(blue) turns off, and the headset powers off.
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