Sony DRC-BT15N Operating Instructions Manual page 13

When using the strap
1
Attach the strap
(supplied) to this unit
through the strap hole.
2
Connect the
headphones (not
supplied) to the unit.
3
Place this unit around
your neck and then
wear the headphones.
Wear the earphone marked L in
your left ear, and the one
marked R in your right ear.
13
GB