Sony MDR-XB950BT Quick Start Manual page 67

iii. Touch [Bluetooth].
4. Touch [Search for devices].
5. Touch [MDR-XB950BT].
If passkey (*) input is required on the display of the smartphone, input "0000."
The headset and the smartphone are paired with each other and connected.
If they are not connected, see
If [MDR-XB950BT] does not appear on the display, try again from step 3.
*
A Passkey may be called a "Passcode," a "PIN code," or a "Password."
Note
If pairing is not established within about 5 minutes, pairing mode will be canceled and the headset will turn off. In this
case, start over from step 1.
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 headset is already paired with 8 devices and another device is to be paired.
The headset 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 headset has been deleted from the BLUETOOTH device.
When the headset is initialized, all pairing information is deleted.
"Connecting to a paired Android smartphone."
59