<s>
The	O
Samsung	B-Application
Gear	I-Application
2	I-Application
and	O
Samsung	B-Application
Gear	I-Application
2	I-Application
Neo	I-Application
are	O
smartwatches	B-Application
produced	O
by	O
Samsung	O
Electronics	O
.	O
</s>
<s>
Unveiled	O
on	O
February	O
22	O
,	O
2014	O
at	O
Mobile	O
World	O
Congress	O
,	O
the	O
Gear	B-Application
2	I-Application
line	O
is	O
a	O
successor	O
to	O
the	O
Samsung	B-Application
Galaxy	I-Application
Gear	I-Application
.	O
</s>
<s>
In	O
comparison	O
to	O
the	O
Galaxy	B-Application
Gear	I-Application
,	O
the	O
most	O
significant	O
change	O
made	O
to	O
the	O
Gear	B-Application
2	I-Application
line	O
was	O
the	O
replacement	O
of	O
Android	B-Application
with	O
the	O
Samsung-developed	O
Tizen	B-Application
operating	O
system	O
,	O
promising	O
improved	O
functionality	O
(	O
such	O
as	O
Samsung	O
's	O
S	O
Health	O
software	O
and	O
an	O
integrated	O
music	O
player	O
)	O
and	O
battery	O
life	O
.	O
</s>
<s>
Its	O
successor	O
,	O
the	O
Samsung	B-Application
Gear	I-Application
S	I-Application
,	O
was	O
released	O
on	O
November	O
7	O
,	O
2014	O
.	O
</s>
<s>
The	O
Gear	B-Application
2	I-Application
retains	O
a	O
similar	O
hardware	O
design	O
to	O
the	O
original	O
Galaxy	B-Application
Gear	I-Application
,	O
although	O
a	O
Home	O
button	O
has	O
been	O
added	O
below	O
the	O
screen	O
,	O
and	O
the	O
device	O
's	O
2-megapixel	O
camera	O
was	O
moved	O
from	O
the	O
strap	O
to	O
the	O
top	O
of	O
the	O
watch	O
itself	O
,	O
alongside	O
a	O
newly	O
added	O
infrared	O
blaster	O
.	O
</s>
<s>
Two	O
models	O
of	O
the	O
Gear	B-Application
2	I-Application
were	O
released	O
,	O
the	O
Gear	B-Application
2	I-Application
and	O
Gear	B-Application
2	I-Application
Neo	O
;	O
the	O
Gear	B-Application
2	I-Application
has	O
a	O
steel	O
exterior	O
and	O
includes	O
a	O
camera	O
,	O
while	O
the	O
Gear	B-Application
2	I-Application
Neo	O
is	O
made	O
from	O
plastic	O
and	O
excludes	O
the	O
camera	O
.	O
</s>
<s>
As	O
with	O
the	O
Galaxy	B-Application
Gear	I-Application
,	O
the	O
Gear	B-Application
2	I-Application
has	O
a	O
1.63-inch	O
,	O
320	O
pixel-wide	O
square-shaped	O
Super	O
AMOLED	O
touchscreen	B-Device
,	O
512MB	O
of	O
RAM	O
,	O
and	O
4GB	O
of	O
internal	O
storage	O
.	O
</s>
<s>
Despite	O
having	O
a	O
smaller	O
,	O
300	O
mAh	O
battery	O
,	O
the	O
Gear	B-Application
2	I-Application
has	O
increased	O
battery	O
life	O
over	O
its	O
predecessor	O
,	O
with	O
Samsung	O
rating	O
it	O
for	O
2	O
–	O
3	O
days	O
of	O
normal	O
use	O
.	O
</s>
<s>
Unlike	O
the	O
original	O
Galaxy	B-Application
Gear	I-Application
,	O
which	O
ran	O
Android	B-Application
,	O
the	O
Gear	B-Application
2	I-Application
runs	O
Tizen	B-Application
,	O
a	O
Linux-based	O
operating	O
system	O
co-developed	O
by	O
Samsung	O
.	O
</s>
<s>
The	O
Gear	B-Application
2	I-Application
uses	O
a	O
similar	O
user	O
interface	O
to	O
the	O
Galaxy	B-Application
Gear	I-Application
,	O
allowing	O
users	O
to	O
sync	O
notifications	O
from	O
a	O
host	O
device	O
and	O
display	O
them	O
the	O
Gear	O
's	O
screen	O
when	O
received	O
,	O
use	O
Smart	O
Relay	O
to	O
automatically	O
open	O
the	O
relevant	O
app	O
for	O
the	O
notification	O
on	O
their	O
smartphone	O
or	O
tablet	O
,	O
use	O
S	B-General_Concept
Voice	I-General_Concept
for	O
dictation	O
and	O
voice	O
commands	O
,	O
place	O
and	O
answer	O
phone	O
calls	O
,	O
and	O
locate	O
the	O
host	O
phone	O
or	O
tablet	O
,	O
or	O
vice	O
versa	O
with	O
the	O
"	O
Find	O
My	O
Device	O
"	O
tool	O
.	O
</s>
<s>
Notable	O
new	O
apps	O
added	O
on	O
the	O
Gear	B-Application
2	I-Application
include	O
the	O
fitness	B-Application
app	I-Application
S	O
Health	O
,	O
WatchOn	O
—	O
a	O
remote	B-Protocol
control	I-Protocol
app	O
which	O
integrates	O
with	O
its	O
infrared	O
blaster	O
,	O
and	O
an	O
integrated	O
music	O
player	O
which	O
can	O
store	O
songs	O
on	O
the	O
device	O
's	O
internal	O
storage	O
.	O
</s>
<s>
As	O
with	O
the	O
Galaxy	B-Application
Gear	I-Application
,	O
an	O
updated	O
Gear	O
Manager	O
app	O
is	O
installed	O
on	O
the	O
Galaxy	B-Operating_System
device	I-Operating_System
to	O
coordinate	O
communications	O
,	O
customize	O
the	O
watch	O
,	O
and	O
download	O
apps	O
from	O
Samsung	B-Application
Apps	I-Application
.	O
</s>
<s>
The	O
Gear	B-Application
2	I-Application
's	O
Gear	O
Manager	O
adds	O
the	O
ability	O
to	O
customize	O
which	O
apps	O
the	O
watch	O
displays	O
notifications	O
from	O
,	O
upload	O
a	O
custom	O
wallpaper	O
,	O
and	O
perform	O
backups	O
.	O
</s>
<s>
The	O
Gear	B-Application
2	I-Application
and	O
Gear	B-Application
2	I-Application
Neo	O
received	O
mixed	O
reviews	O
.	O
</s>
<s>
TechRadar	O
considered	O
the	O
device	O
to	O
be	O
a	O
"	O
much	O
,	O
much	O
better	O
attempt	O
at	O
making	O
the	O
smartwatch	B-Application
more	O
relevant	O
"	O
,	O
with	O
particular	O
praise	O
towards	O
the	O
streamlined	O
design	O
and	O
ability	O
to	O
use	O
custom	O
watch	O
straps	O
,	O
and	O
its	O
improved	O
battery	O
life	O
,	O
but	O
panned	O
the	O
high	O
cost	O
of	O
the	O
device	O
and	O
its	O
"	O
convoluted	O
"	O
user	O
interface	O
.	O
</s>
