Sony LinkBuds S YY2950 Reference Manual page 125

E: IR sensors (left, right)
Attach the earbud tip.
3
Firmly insert the earbud tip all the way. Do not attach the earbud tip in a loose or skewed manner.
If the earbud tip is not completely attached, the earbud tip may be removed from the headset and the sound quality,
noise canceling effects, and wearability may deteriorate.
Set the headset in the charging case.
4
After maintenance as well as after cleaning and drying the headset, be sure to set the headset units in the charging
case.
Be sure to close the lid of the charging case.
5-035-792-11(1) Copyright 2022 Sony Corporation
122