Article ID : 00231425 / Last Modified : 09/19/2019

How to determine which Bluetooth codec is being used to connect devices, such as smartphones, to the WF-1000XM3 earbud headphones

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

    You can check which codec - Subband Codec (SBC) or Advanced Audio Coding (AAC) -  is being used by the smartphone using the Sony | Headphones Connect app.

    Note: The codec being used to make a Bluetooth® connection differs depending on the type of connected device, the device Operating System, software version, and device settings.

    Bluetooth codec type