<s>
The	O
Walkman	B-Device
S	I-Device
Series	I-Device
is	O
a	O
line	O
of	O
portable	O
media	O
players	O
designed	O
and	O
developed	O
by	O
Sony	O
,	O
currently	O
marketed	O
in	O
Japan	O
.	O
</s>
<s>
These	O
players	O
had	O
a	O
320	O
x	O
240	O
pixel	O
QVGA	O
LCD	B-Device
display	I-Device
.	O
</s>
<s>
Just	O
as	O
the	O
A810	O
,	O
the	O
S710/S610	O
was	O
the	O
joint	O
first	O
to	O
remove	O
ATRAC	O
support	O
and	O
not	O
require	O
SonicStage	B-Application
,	O
apart	O
from	O
domestic	O
Japanese	O
models	O
.	O
</s>
<s>
The	O
NWZ-S730	O
and	O
S630	O
series	O
was	O
introduced	O
in	O
August	O
2008	O
focusing	O
on	O
slimline	O
designs	O
,	O
and	O
for	O
the	O
first	O
time	O
introducing	O
Sony	O
's	O
SensMe	B-Application
technology	O
to	O
a	O
Walkman	O
digital	O
audio	O
player	O
,	O
which	O
analyzes	O
and	O
lets	O
the	O
user	O
play	O
music	O
based	O
on	O
moods	O
.	O
</s>
<s>
Starting	O
with	O
this	O
generation	O
,	O
all	O
S	O
Series	O
players	O
would	O
have	O
the	O
so-called	O
"	O
Mickey	B-Application
Mouse	I-Application
"	O
look	O
,	O
because	O
of	O
the	O
specific	O
positioning	O
of	O
the	O
main	O
buttons	O
.	O
</s>
<s>
It	O
had	O
a	O
considerably	O
larger	O
(	O
2.4	O
"	O
LCD	B-Device
)	O
screen	O
with	O
a	O
resolution	O
of	O
320	O
X	O
240	O
pixels	O
.	O
</s>
<s>
The	O
size	O
of	O
the	O
5	O
button	O
layout	O
has	O
been	O
increased	O
,	O
while	O
the	O
SensMe	B-Application
function	O
does	O
not	O
appear	O
,	O
although	O
a	O
dedicated	O
Podcast	O
folder	O
has	O
been	O
added	O
.	O
</s>
<s>
It	O
features	O
Clear	O
Bass	O
,	O
Clear	O
Stereo	O
,	O
SensMe	B-Application
,	O
Lyrics	O
Sync	O
,	O
Karaoke	O
Mode	O
and	O
other	O
features	O
inherited	O
from	O
the	O
E450	O
series	O
.	O
</s>
<s>
In	O
2011	O
the	O
S760	O
series	O
introduced	O
Bluetooth	B-Protocol
connectivity	O
and	O
a	O
greater	O
battery	O
life	O
.	O
</s>
<s>
Does	O
not	O
include	O
SensMe	B-Application
Channels	O
or	O
Intelligent	O
Shuffle	O
.	O
</s>
