<s>
The	O
Lenovo	B-Operating_System
IdeaPad	I-Operating_System
Yoga	B-Device
2	I-Device
Pro	I-Device
is	O
an	O
Ultrabook-class	O
convertible	O
device	O
that	O
can	O
be	O
used	O
as	O
both	O
a	O
tablet	O
and	O
laptop	B-Device
computer	I-Device
in	O
the	O
IdeaPad	B-Operating_System
series	I-Operating_System
.	O
</s>
<s>
Lenovo	O
unveiled	O
the	O
Yoga	B-Device
2	I-Device
Pro	I-Device
at	O
the	O
2013	O
IFA	O
in	O
Berlin	O
,	O
Germany	O
.	O
</s>
<s>
Because	O
of	O
the	O
durable	O
hinge	O
that	O
allows	O
the	O
screen	O
to	O
swivel	O
360	O
degrees	O
,	O
the	O
Yoga	B-Device
2	I-Device
Pro	I-Device
is	O
able	O
to	O
fully	O
utilize	O
Windows	O
8	O
and	O
its	O
emphasis	O
on	O
touchscreen	O
integration	O
.	O
</s>
<s>
The	O
Yoga	B-Device
2	I-Device
Pro	I-Device
is	O
the	O
first	O
laptop	B-Device
to	O
earn	O
a	O
Green	O
Mark	O
certification	O
from	O
TUV	O
that	O
recognizes	O
Lenovo	O
for	O
environmentally	O
friendly	O
manufacturing	O
processes	O
and	O
low	O
energy	O
consumption	O
.	O
</s>
<s>
The	O
Yoga	B-Device
2	I-Device
Pro	I-Device
is	O
an	O
Ultrabook-class	O
device	O
.	O
</s>
<s>
It	O
weighs	O
,	O
is	O
0.61	O
inch	O
thick	O
and	O
has	O
tapered	O
edges	O
,	O
giving	O
it	O
an	O
appearance	O
more	O
like	O
a	O
conventional	O
ultrabook	B-Device
laptop	B-Device
vs	O
the	O
earlier	O
model	O
's	O
"	O
book-like	O
"	O
symmetrical	O
design	O
.	O
</s>
<s>
The	O
Yoga	B-Device
2	I-Device
Pro	I-Device
features	O
a	O
360-Degree	O
Flip-and-Fold	O
design	O
that	O
encompasses	O
four	O
modes	O
—	O
laptop	B-Device
,	O
stand	O
,	O
tablet	O
,	O
and	O
tent	O
mode	O
and	O
has	O
a	O
subtle	O
rubber	O
trim	O
around	O
the	O
edge	O
of	O
its	O
top	O
half	O
in	O
order	O
to	O
prevent	O
slipping	O
on	O
hard	O
surfaces	O
when	O
in	O
tent	O
mode	O
.	O
</s>
<s>
The	O
base	O
package	O
comes	O
an	O
Intel	B-Device
Core	I-Device
i3	I-Device
4010U	O
,	O
4	O
gigabytes	O
of	O
RAM	O
and	O
128	O
gigabytes	O
solid	B-Device
state	I-Device
drive	I-Device
with	O
configurations	O
up	O
to	O
an	O
Intel	B-Device
Core	I-Device
i7	I-Device
4500U	O
,	O
8	O
gigabytes	O
of	O
RAM	O
and	O
512	O
gigabyte	O
solid	B-Device
state	I-Device
drive	I-Device
.	O
</s>
<s>
The	O
13.3-inch	O
screen	O
uses	O
in-plane	B-Architecture
switching	I-Architecture
(	O
IPS	B-Architecture
)	O
technology	O
and	O
has	O
a	O
QHD+	O
(	O
3,200	O
×	O
1,800	O
)	O
10-point	O
multitouch	O
display	O
with	O
a	O
brightness	O
of	O
350	O
nits	O
.	O
</s>
<s>
The	O
Yoga	B-Device
2	I-Device
Pro	I-Device
come	O
with	O
Intel	O
Wireless	O
Display	O
technology	O
in	O
order	O
to	O
conform	O
to	O
the	O
Ultrabook	B-Device
specification	O
.	O
</s>
<s>
The	O
Yoga	B-Device
2	I-Device
Pro	I-Device
comes	O
pre-installed	O
with	O
Phone	O
Companion	O
,	O
Camera	O
Man	O
,	O
Photo	O
Touch	O
,	O
and	O
Chef	O
apps	O
.	O
</s>
<s>
For	O
example	O
,	O
in	O
stand	O
mode	O
with	O
the	O
screen	O
facing	O
outward	O
,	O
it	O
assumes	O
that	O
you	O
might	O
want	O
to	O
use	O
Skype	B-Application
or	O
Netflix	O
.	O
</s>
<s>
Dan	O
Ackerman	O
of	O
CNET	O
wrote	O
,	O
"	O
I	O
'm	O
pleased	O
to	O
see	O
a	O
backlit	O
keyboard	O
,	O
and	O
in	O
our	O
brief	O
hands-on	O
time	O
with	O
the	O
Yoga	O
2	O
,	O
it	O
felt	O
like	O
a	O
nice	O
upgrade	O
from	O
the	O
previous	O
version	O
,	O
and	O
it	O
's	O
still	O
one	O
of	O
the	O
slickest-looking	O
ultrabooks	B-Device
out	O
there	O
,	O
even	O
without	O
its	O
hybrid	O
properties.	O
"	O
</s>
<s>
Sasha	O
Muller	O
of	O
PC	O
Pro	O
wrote	O
,	O
"	O
There	O
's	O
no	O
question	O
that	O
the	O
Yoga	B-Device
2	I-Device
Pro	I-Device
is	O
a	O
triumph	O
.	O
</s>
<s>
The	O
Yoga	B-Device
2	I-Device
Pro	I-Device
also	O
been	O
criticized	O
for	O
a	O
relatively	O
short	O
battery	O
life	O
,	O
especially	O
when	O
compared	O
to	O
other	O
2nd-half-2013	O
Ultrabook	B-Device
releases	O
that	O
saw	O
much	O
prolonged	O
battery	O
life	O
when	O
switching	O
from	O
Intel	O
's	O
3rd-generation	O
"	O
Ivy	O
Bridge	O
"	O
to	O
4th-generation	O
"	O
Haswell	O
"	O
chips	O
.	O
</s>
<s>
While	O
the	O
Yoga	B-Device
2	I-Device
Pro	I-Device
's	O
battery	O
has	O
a	O
higher	O
capacity	O
than	O
the	O
Yoga	O
13	O
,	O
it	O
uses	O
up	O
more	O
power	O
due	O
to	O
having	O
to	O
display	O
more	O
pixels	O
(	O
3,200	O
×	O
1,800	O
versus	O
1,600	O
×	O
900	O
)	O
,	O
thus	O
battery	O
life	O
has	O
not	O
improved	O
much	O
.	O
</s>
<s>
Writing	O
for	O
the	O
Supersite	O
for	O
Windows	O
,	O
Paul	O
Thurrott	O
stated	O
,	O
"	O
Where	O
the	O
Yoga	B-Device
2	I-Device
Pro	I-Device
excels	O
is	O
in	O
its	O
multiple	O
usage	O
possibilities	O
,	O
and	O
while	O
it	O
is	O
absolutely	O
an	O
Ultrabook	B-Device
first	O
,	O
its	O
ability	O
to	O
transform	O
really	O
does	O
set	O
it	O
apart	O
.	O
</s>
<s>
Were	O
I	O
to	O
stick	O
to	O
Windows	B-Device
8.1	I-Device
'	O
s	O
"	O
Modern	O
"	O
environment	O
,	O
this	O
would	O
n't	O
be	O
an	O
issue	O
.	O
</s>
<s>
Likewise	O
,	O
if	O
you	O
use	O
well-written	O
desktop	O
applications	O
exclusively	O
,	O
you	O
'll	O
find	O
that	O
the	O
Yoga	B-Device
2	I-Device
Pro	I-Device
's	O
screen	O
is	O
best	O
in	O
class	O
,	O
and	O
that	O
the	O
desktop	O
scaling	O
functionality	O
works	O
just	O
fine	O
.	O
</s>
<s>
In	O
2014	O
,	O
Lenovo	O
announced	O
the	O
IdeaPad	B-Operating_System
Yoga	O
2	O
(	O
minus	O
the	O
"	O
Pro	O
"	O
)	O
,	O
which	O
will	O
be	O
less	O
expensive	O
,	O
but	O
still	O
maintain	O
the	O
flexible	O
convertible	O
hinge	O
.	O
</s>
<s>
The	O
CPU	O
can	O
be	O
upgraded	O
to	O
a	O
fourth-gen	O
Intel	O
Core	O
i5	O
CPU	O
,	O
and	O
solid-state	B-Device
drive	I-Device
(	O
SSD	B-Device
)	O
storage	O
is	O
optional	O
.	O
</s>
