Sony WH-CH720N Help Manual page 92

3.
From [AVAILABLE DEVICES] on the [Select your device] screen, select [WH-CH720N].
4.
On the [Set up Alexa on your WH-CH720N] screen, touch [CONTINUE].
5.
If the [This will override the current voice assistant on this accessory] screen appears, touch [CONTINUE].
6.
On the [Setup Complete] screen, touch [DONE].
92