Sony NW-S4 - Manual (Page 8)

8
Note
Do not wear the unit for
a long time with the
armband fastened
tightly.
Installing the armband
1
Install the armband attachment to the armband.
Slide the armband to the deepest position and fix it
using the fastener.
2
Lift the attachment toward the headphones jack
and install it to the unit.
Removing
While pulling the tab upward, slide the attachment
toward the battery compartment.