<s>
The	O
Zire	B-Application
31	I-Application
is	O
a	O
Zire	B-Application
Handheld	I-Application
from	O
palmOne	O
.	O
</s>
<s>
The	O
product	O
was	O
first	O
released	O
in	O
April	O
2004	O
as	O
a	O
replacement	O
for	O
Zire	B-Application
21	I-Application
.	O
</s>
<s>
It	O
runs	O
Palm	B-Operating_System
OS	I-Operating_System
5.2.8	O
and	O
features	O
a	O
color	O
160×160	O
display	O
,	O
a	O
SDIO	O
slot	O
and	O
a	O
standard	O
3.5mm	O
stereo	O
headphones	O
jack	O
.	O
</s>
<s>
The	O
ROM	B-Device
includes	O
RealOne	O
Player	O
giving	O
the	O
device	O
some	O
digital	O
audio	O
player	O
capabilities	O
.	O
</s>
<s>
They	O
can	O
be	O
extended	O
with	O
3rd	O
party	O
software	O
,	O
such	O
as	O
TCPMP	B-Language
.	O
</s>
<s>
The	O
Zire	B-Application
31	I-Application
has	O
a	O
5-way	O
navigator	O
pad	O
,	O
but	O
still	O
only	O
2	O
quickbuttons	O
,	O
as	O
opposed	O
to	O
the	O
standard	O
4	O
on	O
the	O
mid-range	O
Zires	B-Application
71/72	O
.	O
</s>
<s>
It	O
was	O
replaced	O
by	O
the	O
Z22	B-Application
,	O
which	O
lacks	O
the	O
SD/MMC/SDIO	O
Expansion	O
and	O
headphone	O
jack	O
.	O
</s>
<s>
Processor	O
200	O
MHz	O
Intel	O
Xscale	O
PXA255	O
Processor	O
(	O
ARM	B-Architecture
v5TE	O
)	O
200	O
MHz	O
Memory	O
16	O
MB	O
RAM	B-Architecture
(	O
13.8	O
MB	O
actual	O
storage	O
+	O
1	O
MB	O
heap	O
)	O
Battery	O
Rechargeable	O
lithium-polymer	O
900mAh	O
battery	O
Operating	O
System	O
Palm	B-Operating_System
OS	I-Operating_System
v5.2.8	O
Size	O
4.6	O
in	O
.	O
</s>
<s>
/	O
136.1	O
grams	O
(	O
handheld	O
+	O
stylus	O
)	O
Display	O
160×160	O
pixel	B-Algorithm
4096	O
colors	O
(	O
12	O
bit	O
)	O
CSTN	B-General_Concept
Display	O
Expansion1	O
GB	O
max	O
SD	B-Device
,	O
SDIO	O
and	O
MMC	O
support	O
via	O
built-in	O
expansion	O
card	O
slot	O
.	O
</s>
