Sony MDR-1RBT - Manual (Page 53)

Follow the on-screen instructions to complete the connection.
Refer to the manual of the smartphone for the designated location to be
touched on the smartphone.
Note
When the NFC switch is set to OFF, you cannot make a connection. You may
set the switch to OFF to prevent the headset from turning on or connecting with
other devices if you touch the headset with other device unintentionally.
However, if you set the switch to OFF when the headset is connected with
another device, you can disconnect the headset from the device by touching the
headset with the device.
Copyright 2012 Sony Corporation
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