Sony WH-1000XM4/S Help Manual page 70

Help Guide
Wireless Noise Canceling Stereo Headset
WH-1000XM4
Connecting the headset to 2 devices simultaneously (multipoint connection)
When [Connect to 2 devices simultaneously] is turned on with the "Sony | Headphones Connect" app, the headset can
connect to 2 devices via Bluetooth connections simultaneously, allowing you to do the following.
Waiting for an incoming call for 2 smartphones
You can listen to music played on one smartphone with the headset, wait for an incoming call for both smartphones,
and talk if an incoming call arrives.
Switching music playback between 2 devices
You can switch the music playback from one device to the other without performing a Bluetooth reconnection.
Connecting the headset to 2 devices via Bluetooth connections simultaneously
Before connecting, make sure that the "Sony | Headphones Connect" app is installed on one of the 2 devices.
Pair the headset with 2 devices, respectively.
1
Operate the device on which the "Sony | Headphones Connect" app is installed to establish a Bluetooth
2
connection with the headset.
Turn on [Connect to 2 devices simultaneously] with the "Sony | Headphones Connect" app.
3
Operate the second device to establish a Bluetooth connection with the headset.
4
When Bluetooth connections are established between 2 devices and the headset, another paired device can be
connected via Bluetooth connection.
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