Sony WF-SP900 Help Manual page 15

Help Guide
Wireless Stereo Headset
WF-SP900
Switching the arc supporters
Arc supporters in the M size are attached to the player at the time of purchase.
To enjoy better sound quality, select arc supporters with the appropriate size for each ear.
Remove the earbuds, then remove the arc supporters.
1
Attach the arc supporters (
2
A: front
B: backside
Note
If you do not attach the arc supporters correctly, the player may mistakenly recognize the arc supporters as your ears. In this
case, the player may not function properly.
Instructional video
The following movie shows you how to attach or detach the arc supporters.
) so that they fit the bases of the headphone sections (
15
).