The information in this article can help when you are using a Bluetooth audio device paired with your Nintendo Switch system and there is a delay in the audio.
What to do
Update your system to the latest system version.
Restart the console by holding down the POWER Button for three seconds, then select Power Options and Restart.
Power off your Bluetooth audio device and then power it on again. Ensure it is sufficiently charged.
Follow the instructions for your specific Bluetooth audio device to enable it to be paired again.
Move your Bluetooth audio device closer to your Nintendo Switch system and ensure there is no metal or electronic equipment between the audio device and the system or surrounding the system.
Follow any troubleshooting recommended by your Bluetooth audio device’s manufacturer. Support can often be found on the manufacturer’s website or by contacting the manufacturer.
Return to the Bluetooth Audio settings in System Settings and select Pair to search for Bluetooth audio devices in range again. Select your Bluetooth audio device’s name when it is found and continue playing.
Situation not resolved
Some Bluetooth audio devices may experience a delay or lag, even when the system is behaving normally.
If the issue persists, try pairing a different Bluetooth audio device or using wired headphones connected to the audio jack.