Sony WALKMAN WM-GX90 Operating Instructions Manual page 49

Accessories supplied
Battery case with stereo microphones (1)
Rechargeable battery (1)
Lithium battery (1)
Battery charger (1)
Stereo headphones with remote controller (1)
Ear adaptors (2) (except U.S.A.)
Carrying case (1)
AC plug adaptor (1) (except U.S.A.):
Use it if the plug of the battery charger does not suit
your wall outlet.
Design and specifications subject to change without notice.
Optional accessories
AC power adaptor AC-E15L.
Rechargeable battery NC-6WM, NC-SWM
Lithium battery CR2016
Battery charger BC-7AU (U.S.A.), BC-7BT (other
countries)