No sound is output, or the headphones do not work, when using only one side of the headphones

IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

Depending on the Voice Assistant setting and/or the assignment of the touch sensors, you may only be able to use one side of the headphones. This may also occur when you tap the pop-up notification recommending the use of the Google Assistant or Amazon Alexa function.

Note: Due to changes made by Google to the Google Assistant feature, linking headphones to the Google Assistant app for iOS has been discontinued.

LinkBuds S, WF-1000XM4

1. The specifications differ depending on the Voice Assistant setting. Check the Voice Assistant setting in the Sony | Sound Connect app.
   Table: Voice Assistant setting menu item and specifications

   Voice Assistant Setting Menu Item	Specification
   Voice Assist Function of Mobile Device	Either side of the headphones can be used.
   Google Assistant or Amazon Alexa	Only the headphones with the Touch Sensor Control function set to Playback control can be used alone. In the default settings, the Playback control is set to the Right side. When you assign Playback control to both sides, full functionality is only available on the Right side.
   Do not use	Either side of the headphones can be used.

2. When you set the Voice Assistant setting to use Google Assistant or Amazon Alexa, assign the Playback Control function to the side you want to use alone.

Notes:

• The specification when the Voice Assistant is set to Google Assistant or Amazon Alexa also applies when you tap the pop-up notification which recommends the settings of Google Assistant or Amazon Alexa function. Assign the touch sensor's Playback Control to the side to the side you want to use alone. If you unintentionally tap the notifications and you want to cancel using these features, revert to your desired setting in the Voice Assistant menu.
• For LinkBuds S only: When the Service Link feature is turned on using the Sony | Sound Connect app, only the Right side can be used alone.

LinkBuds UC, LinkBuds (WF-L900), WF-1000XM3, WF-H800, WF-SP800N

If you use the Google Assistant or Amazon Alexa features on the headphones, you can only use the side of the headphones that the Google Assistant or Amazon Alexa feature is assigned. If you want to use the other side of the headphones unit alone, in the Sony | Sound Connect app, assign Google Assistant or Amazon Alexa to the side (L or R) you want to use.

Notes:

• The specification when the Voice Assistant is set to Google Assistant or Amazon Alexa also applies when you tap the pop-up notification which recommends the settings of Google Assistant or Amazon Alexa function. If you want to use the other side of the headphones unit alone, in the Sony | Sound Connect app, assign Google Assistant or Amazon Alexa to the side (L or R) you want to use.
• For LinkBuds UC, and LinkBuds only: When the Service Link feature is turned on using the Sony | Sound Connect app, only the Right side can be used alone.