<s>
The	O
Surface	B-Device
Pro	I-Device
is	O
a	O
first	O
generation	O
2-in-1	O
detachable	O
of	O
the	O
Microsoft	B-Device
Surface	I-Device
series	O
,	O
designed	O
and	O
manufactured	O
by	O
Microsoft	O
.	O
</s>
<s>
The	O
device	O
ran	O
a	O
64-bit	B-Device
version	O
of	O
Windows	O
8	O
Pro	O
operating	O
system	O
with	O
a	O
free	O
upgrade	O
possibility	O
to	O
Windows	B-Device
8.1	I-Device
Pro	O
,	O
and	O
eventually	O
also	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
Initially	O
announced	O
as	O
Surface	O
for	O
Windows	O
8	O
Pro	O
on	O
June	O
18	O
,	O
2012	O
,	O
at	O
a	O
Los	O
Angeles	O
event	O
,	O
Microsoft	O
later	O
renamed	O
the	O
device	O
to	O
Surface	B-Device
Pro	I-Device
,	O
and	O
launched	O
it	O
on	O
February	O
9	O
,	O
2013	O
.	O
</s>
<s>
Microsoft	O
did	O
not	O
take	O
pre-orders	O
for	O
the	O
Surface	B-Device
Pro	I-Device
.	O
</s>
<s>
The	O
Surface	B-Device
Pro	I-Device
shares	O
a	O
lot	O
of	O
its	O
design	O
traits	O
with	O
its	O
lower	O
cost	O
counterpart	O
,	O
the	O
original	B-Device
Surface	I-Device
hybrid	O
tablet	O
,	O
announced	O
on	O
the	O
same	O
day	O
.	O
</s>
<s>
Both	O
have	O
the	O
dark	O
VaporMg	O
coating	O
over	O
the	O
same	O
magnesium	O
body	O
and	O
a	O
10-point	O
multi-touch	B-Application
enabled	O
screen	B-Device
with	O
crack	O
resistant	O
Gorilla	O
Glass	O
.	O
</s>
<s>
However	O
,	O
the	O
resolution	O
on	O
the	O
Surface	B-Device
Pro	I-Device
is	O
higher	O
and	O
is	O
1920x1080	O
,	O
and	O
the	O
screen	B-Device
has	O
a	O
Wacom	O
digitizer	B-Device
for	O
pen	B-Device
input	I-Device
.	O
</s>
<s>
Surface	B-Device
Pro	I-Device
runs	O
a	O
dual-core	B-Architecture
1.7	O
GHz	O
Intel	B-Device
Core	I-Device
i5-3317U	O
CPU	O
,	O
with	O
a	O
Turbo	B-Device
Boost	I-Device
frequency	O
of	O
up	O
to	O
2.6GHz	O
with	O
a	O
built-in	O
Intel	B-Application
HD	I-Application
Graphics	I-Application
4000	I-Application
.	O
</s>
<s>
It	O
has	O
4	O
GB	O
of	O
memory	O
and	O
a	O
64	O
or	O
128	O
GB	O
solid-state	B-Device
drive	I-Device
.	O
</s>
<s>
Unique	O
to	O
the	O
Surface	O
and	O
Surface	B-Device
Pro	I-Device
is	O
the	O
kickstand	O
which	O
can	O
be	O
flipped	O
out	O
from	O
the	O
back	O
,	O
propping	O
the	O
device	O
up	O
.	O
</s>
<s>
Along	O
the	O
right	O
side	O
of	O
the	O
device	O
,	O
the	O
Surface	B-Device
Pro	I-Device
has	O
a	O
micro-SD	O
card	O
slot	O
on	O
top	O
(	O
with	O
support	O
for	O
cards	O
up	O
to	O
200	O
GB	O
)	O
,	O
followed	O
by	O
the	O
power	O
port	O
,	O
and	O
near	O
the	O
bottom	O
,	O
a	O
Mini	B-Protocol
DisplayPort	I-Protocol
to	O
connect	O
a	O
number	O
of	O
external	O
displays	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
magnetic	O
attachments	O
,	O
the	O
cover	O
port	O
on	O
the	O
Surface	B-Device
Pro	I-Device
contains	O
a	O
pogo	O
pin	O
connector	O
.	O
</s>
<s>
Unique	O
to	O
the	O
Surface	B-Device
Pro	I-Device
,	O
compared	O
to	O
the	O
Surface	B-Device
tablet	I-Device
,	O
is	O
the	O
addition	O
of	O
power	O
connectors	O
for	O
compatibility	O
with	O
the	O
Surface	O
Power	O
Cover	O
.	O
</s>
<s>
Other	O
sensors	O
include	O
an	O
ambient	O
light	O
sensor	O
,	O
accelerometer	O
,	O
gyroscope	B-Application
,	O
and	O
compass	B-Language
.	O
</s>
<s>
Surface	B-Device
Pro	I-Device
originally	O
shipped	O
with	O
Windows	O
8	O
Pro	O
,	O
but	O
was	O
upgradeable	O
to	O
Windows	B-Device
8.1	I-Device
Pro	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pro	I-Device
is	O
further	O
capable	O
of	O
upgrading	O
to	O
Windows	B-Operating_System
10	I-Operating_System
Pro	O
,	O
which	O
became	O
a	O
free	O
upgrade	O
for	O
users	O
since	O
July	O
29	O
,	O
2015	O
.	O
</s>
<s>
The	O
2-in-1	O
features	O
two	O
types	O
of	O
detachable	O
keyboards	O
:	O
Type	O
Cover	O
and	O
Touch	O
Cover	O
,	O
both	O
with	O
an	O
integrated	O
touchpad	B-Application
.	O
</s>
<s>
Both	O
accessories	O
additionally	O
act	O
as	O
a	O
protective	O
screen	B-Device
cover	O
and	O
are	O
sold	O
separately	O
.	O
</s>
<s>
Later	O
Microsoft	O
introduced	O
the	O
Power	O
Cover	O
(	O
with	O
the	O
Surface	B-Device
Pro	I-Device
2	I-Device
)	O
,	O
which	O
is	O
backwards	O
compatible	O
with	O
the	O
Surface	B-Device
Pro	I-Device
.	O
</s>
<s>
Surface	B-Device
Pro	I-Device
is	O
the	O
first	O
device	O
in	O
the	O
Surface	O
family	O
to	O
feature	O
a	O
stylus	B-Device
pen	I-Device
input	O
.	O
</s>
<s>
Pro	O
Pen	O
is	O
based	O
on	O
Wacom	O
digitizer	B-Device
technology	O
.	O
</s>
<s>
It	O
is	O
integrated	O
with	O
OneNote	B-Application
software	O
which	O
is	O
also	O
included	O
with	O
the	O
Surface	B-Device
Pro	I-Device
and	O
used	O
for	O
note	O
taking	O
and	O
sketches	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pro	I-Device
includes	O
a	O
48-watt	O
power	O
supply	O
with	O
additional	O
5W	O
USB	O
port	O
for	O
charging	O
other	O
devices	O
.	O
</s>
<s>
In	O
early	O
2016	O
,	O
Microsoft	O
issued	O
a	O
recall	O
for	O
the	O
cable	O
used	O
to	O
connect	O
Surface	B-Device
Pro	I-Device
,	O
Surface	B-Device
Pro	I-Device
2	I-Device
and	O
Surface	B-Device
Pro	I-Device
3	O
chargers	O
,	O
but	O
not	O
the	O
charger	O
itself	O
,	O
sold	O
before	O
the	O
15th	O
of	O
July	O
,	O
2015	O
due	O
to	O
the	O
risk	O
of	O
electrical	O
fire	O
.	O
</s>
<s>
Surface	B-Device
Pro	I-Device
received	O
mixed	O
reviews	O
from	O
the	O
computer	O
hardware	O
critics	O
.	O
</s>
<s>
While	O
most	O
praised	O
the	O
convertible	O
nature	O
of	O
the	O
device	O
,	O
which	O
can	O
be	O
used	O
both	O
as	O
a	O
tablet	O
and	O
a	O
laptop	O
,	O
its	O
design	O
and	O
a	O
precise	O
pressure-sensitive	O
pen	O
,	O
the	O
typical	O
complaints	O
were	O
a	O
short	O
battery	O
life	O
,	O
bulkiness	O
compared	O
to	O
traditional	O
ARM-based	O
tablets	O
and	O
excessive	O
heat	O
and	O
fan	O
noise	O
during	O
periods	O
of	O
heavy	O
load	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
Surface	B-Device
Pro	I-Device
4	O
and	O
Surface	O
Book	O
,	O
cooling	O
issues	O
were	O
resolved	O
.	O
</s>
