Sony NYSNO-10 Help Manual page 42

Tap [ ] next to [Bluetooth] to turn on the BLUETOOTH function.
2.
Tap [NYSNO-10].
4
(*)
If passkey input is required on the display of the smartphone, input "0000."
The main unit and the smartphone are paired with each other and connected.
If they are not connected, refer to
If NYSNO-10 does not appear on the display, try again from step
*
A Passkey may be called a "Passcode," a "PIN code," or a "Password."
Hint
The above procedure is an example. For details, refer to the operating instructions supplied with your smartphone.
To delete all pairing information, initialize the main unit.
Note
Once BLUETOOTH devices are paired, there is no need to pair them again, except in the following cases:
Pairing information has been deleted after repair, etc.
The main unit is already paired with 8 devices and another device is to be paired.
The main unit can be paired with up to 8 devices. If a new device is paired after 8 devices are already paired, the paired device
with the oldest connection time is replaced by the new one.
When the pairing information for the main unit has been deleted from the BLUETOOTH device.
When the main unit is initialized, all pairing information is deleted.
In this case, delete the pairing information of the main unit from the BLUETOOTH device, and then pair them again.
The main unit can be paired with multiple devices, but can only play music from one paired device at a time.
Related Topic
How to make a wireless connection to BLUETOOTH devices
Connecting to a paired Android smartphone
Listening to music from a device via BLUETOOTH connection
Resetting / initializing the main unit
"Connecting to a paired Android
42
smartphone".
.