<s>
The	O
Sony	O
Clie	O
UX	O
series	O
were	O
premium	O
multimedia	O
PDAs	B-Application
announced	O
by	O
Sony	O
in	O
July	O
2003	O
,	O
running	O
Palm	B-Operating_System
OS	I-Operating_System
(	O
version	O
5	O
)	O
.	O
</s>
<s>
These	O
devices	O
were	O
advertised	O
as	O
being	O
a	O
"	O
personal	O
entertainment	O
communicator	O
"	O
,	O
a	O
purpose	O
not	O
dissimilar	O
to	O
the	O
Apple	O
iPod	B-Device
Touch	I-Device
released	O
in	O
2007	O
.	O
</s>
<s>
Two	O
models	O
were	O
released	O
,	O
featuring	O
a	O
"	O
palm-top	B-Device
"	O
clamshell	O
design	O
,	O
with	O
a	O
landscape	O
tilting	O
and	O
swiveling	O
LCD	O
screen	O
.	O
</s>
<s>
The	O
UX50	O
included	O
both	O
bluetooth	B-Protocol
and	O
built-in	O
Wi-Fi	O
support	O
,	O
while	O
the	O
UX40	O
was	O
US$100	O
cheaper	O
but	O
only	O
featured	O
bluetooth	B-Protocol
.	O
</s>
<s>
Users	O
of	O
these	O
devices	O
frequently	O
experienced	O
difficulty	O
connecting	O
to	O
other	O
devices	O
via	O
Bluetooth	B-Protocol
.	O
</s>
<s>
The	O
processor	O
used	O
on	O
the	O
UX	O
series	O
was	O
the	O
Sony	B-Application
Handheld	I-Application
Engine	I-Application
CXD2230GA	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
release	O
this	O
processor	O
was	O
bleeding	O
edge	O
,	O
demonstrating	O
new	O
improvements	O
in	O
both	O
capability	O
integration	O
and	O
power	O
efficiency	O
in	O
a	O
single	O
System-on-a-chip	B-Architecture
.	O
</s>
<s>
Connectivity	O
:	O
USB	O
(	O
for	O
HotSync	O
operation	O
)	O
,	O
Infrared	O
(	O
IrDA	O
1.2	O
)	O
,	O
Bluetooth	B-Protocol
.	O
</s>
