<s>
Treo	B-Application
600	I-Application
was	O
a	O
smartphone	B-Application
developed	O
by	O
Handspring	O
,	O
and	O
offered	O
under	O
the	O
palmOne	O
brand	O
(	O
later	O
Palm	O
,	O
Inc	O
.	O
)	O
after	O
the	O
merger	O
of	O
the	O
two	O
companies	O
.	O
</s>
<s>
Released	O
in	O
November	O
2003	O
,	O
it	O
has	O
a	O
number	O
of	O
integrated	O
features	O
and	O
it	O
is	O
possible	O
to	O
check	O
the	O
calendar	B-Application
while	O
talking	O
on	O
the	O
phone	O
,	O
dial	O
directly	O
from	O
contacts	B-Protocol
list	I-Protocol
,	O
take	O
pictures	O
or	O
send	O
emails	O
.	O
</s>
<s>
On	O
October	O
24	O
,	O
2004	O
,	O
palmOne	O
officially	O
unveiled	O
the	O
Treo	B-Application
600	I-Application
's	O
successor	O
,	O
the	O
Treo	B-Application
650	I-Application
.	O
</s>
<s>
The	O
Treo	B-Application
600	I-Application
is	O
a	O
rather	O
large	O
device	O
by	O
cell	O
phone	O
standards	O
but	O
compact	O
for	O
a	O
PDA	B-Application
.	O
</s>
<s>
Above	O
the	O
buttons	O
and	O
navigator	O
is	O
a	O
small	O
Treo	O
logo	O
and	O
the	O
large	O
160x160	O
color	O
touch	B-Device
screen	I-Device
.	O
</s>
<s>
Mobile	O
phone	O
,	O
GSM/GPRS	O
model	O
with	O
850/900/1800/1900MHz	O
bands	O
,	O
CDMA	B-Protocol
model	O
with	O
800/1900MHz	O
bands	O
.	O
</s>
<s>
144-MHz	O
ARM	B-Architecture
processor	I-Architecture
.	O
</s>
<s>
Palm	B-Operating_System
OS	I-Operating_System
ver	O
5.2.1H	O
complete	O
with	O
standard	O
applications	O
including	O
web	O
browsing	O
,	O
email	O
,	O
calendar	B-Application
,	O
and	O
contacts	O
.	O
</s>
<s>
SDIO	O
/	O
SD	B-Device
/	O
MMC	O
memory	O
slot	O
.	O
</s>
<s>
Infrared	O
com	B-Protocol
port	I-Protocol
and	O
touch-screen	B-Device
with	O
stylus	O
.	O
</s>
