Genuine Sony Ericsson HPM 64 Stereo Handsfree Headset.
Compatible Models:
D750i
J100i
J220i
J230i
K310i
K510i
K610i
K750i
K790i
K800i
M600i
P990i
V630
W300i
W550i
W700i
W710i
W800i
W810i
W850i
W900i
W950i
Z520i
Z50i
C510
C702
C902
C903
C905
D750i
Elm
F305
Hazel
G502
G700
G900
J10i2
J100i
J110i
J120i
J220i
J230i
K200i
K220i
K205i.