Sony WF-1000XM4 Manual page 126

Help Guide
Wireless Noise Canceling Stereo Headset
WF-1000XM4
Sound skips frequently.
Set the headset to "Priority on stable connection" mode. For details, see
The situation may be improved by changing the wireless playback quality settings on the transmitting device. For
details, refer to the operating instructions supplied with the transmitting device.
Remove any obstacles between the antenna of the connecting Bluetooth device and the antennas built into the left
and right units of the headset. The antenna of each left or right unit of the headset is built into the part shown in the
dotted line below.
A: Locations of the built-in antennas (left, right)
Bluetooth communications may be disabled, or noise or audio dropout may occur under the following conditions.
When there is a human body between the headset and the Bluetooth device
In this case, put the Bluetooth device in the same direction as the antenna of the headset to improve the
Bluetooth communications.
When there is an obstacle, such as metal or a wall, between the headset and the Bluetooth device.
In places with wireless LAN, where a microwave oven is used, electromagnetic waves are generated, etc.
Where there are other wireless communication audio devices or other people nearby, such as in train station
premises or on a crowded train
If you are enjoying music with your smartphone, the situation may be improved by closing unnecessary apps or
restarting your smartphone. If you are enjoying music with your computer, close unnecessary applications or
windows and restart the computer.
Connect the headset and the Bluetooth device once again.
Set the headset into the charging case and close the lid of the charging case, and then remove the headset from the
charging case to connect the headset to the Bluetooth device.
When the Adaptive Sound Control is turned on, the headset detects the wearer's actions and adjusts the noise
canceling function automatically. When this setting is changed, music may pause momentarily. This is not a
malfunction.
Reset the headset.
Initialize the headset, and pair the headset and the device again.
Related Topic
About the sound quality mode
Resetting the headset
Initializing the headset to restore factory settings
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"About the sound quality mode".