Sony NYSNO-10 Help Manual page 38

To disconnect, touch the smartphone again.
Hint
The above procedure is an example. For details, refer to the operating instructions supplied with your smartphone.
If you cannot connect the main unit, try the followings.
Unlock the screen of the smartphone if it is locked, and move the smartphone slowly over the N-Mark.
If the smartphone is in a case, remove the case.
If you touch an NFC-compatible smartphone with the main unit, the smartphone terminates BLUETOOTH connection with any
current device, and connects to the main unit (One-touch connection switching).
Related Topic
How to make a wireless connection to BLUETOOTH devices
Disconnecting the smartphone by one-touch (NFC)
Switching the device by one-touch (NFC)
Listening to music from a device via BLUETOOTH connection
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