<s>
The	O
Microsoft	B-Device
Surface	I-Device
touchscreen	B-Device
Windows	B-Application
computers	I-Application
and	O
interactive	B-Application
whiteboards	I-Application
designed	O
and	O
developed	O
by	O
Microsoft	O
.	O
</s>
<s>
Since	O
its	O
release	O
in	O
2012	O
,	O
there	O
have	O
been	O
various	O
Surface	B-Device
accessories	O
over	O
the	O
years	O
.	O
</s>
<s>
Most	O
prominently	O
,	O
are	O
the	O
Surface	B-Device
keyboard	I-Device
covers	O
and	O
the	O
Surface	B-Device
Pen	I-Device
,	O
which	O
were	O
both	O
introduced	O
at	O
launch	O
.	O
</s>
<s>
While	O
the	O
keyboard	O
covers	O
have	O
all	O
been	O
sold	O
independently	O
of	O
the	O
Surface	B-Device
devices	O
,	O
the	O
initial	O
release	O
of	O
the	O
Surface	B-Device
and	O
Surface	B-Device
Pro	I-Device
had	O
bundle	O
options	O
,	O
which	O
bundled	O
the	O
black	O
Touch	O
Cover	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pen	I-Device
has	O
been	O
included	O
with	O
all	O
Surface	B-Device
line	O
and	O
Surface	B-Device
Pro	I-Device
line	O
devices	O
up	O
until	O
the	O
release	O
of	O
the	O
fifth-generation	B-Device
Surface	I-Device
Pro	I-Device
,	O
where	O
Microsoft	O
decided	O
to	O
unbundle	O
the	O
Surface	B-Device
Pen	I-Device
.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
Surface	B-Device
2	I-Device
a	O
Touch	O
Cover	O
2	O
was	O
announced	O
which	O
increased	O
the	O
number	O
of	O
sensors	O
to	O
1,092	O
and	O
added	O
backlit	O
keys	O
while	O
being	O
thinner	O
than	O
the	O
original	O
Touch	O
Cover	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
Touch	O
Cover	O
2	O
also	O
supported	O
key	O
gestures	O
and	O
was	O
backwards	O
compatible	O
with	O
the	O
first	O
generation	O
Surface	B-Device
devices	O
.	O
</s>
<s>
Microsoft	O
never	O
made	O
another	O
Touch	O
Cover	O
after	O
the	O
release	O
of	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
.	O
</s>
<s>
It	O
is	O
compatible	O
with	O
the	O
Surface	B-Device
2	I-Device
.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
first	O
generation	O
Surface	B-Device
Pro	I-Device
,	O
Microsoft	O
launched	O
the	O
Type	O
Cover	O
which	O
has	O
tactile	O
keys	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
,	O
a	O
newer	O
cover	O
called	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
Type	O
Cover	O
was	O
released	O
to	O
fit	O
the	O
bigger	O
screen	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pro	I-Device
3	I-Device
Type	O
Cover	O
features	O
a	O
second	O
magnetized	O
strip	O
that	O
can	O
be	O
rested	O
against	O
the	O
screen	O
to	O
prop	O
the	O
keyboard	O
up	O
at	O
an	O
angle	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pro	I-Device
3	I-Device
Type	O
Cover	O
has	O
a	O
touchpad	O
with	O
glass	O
beads	O
replacing	O
the	O
felt-like	O
material	O
used	O
in	O
previous	O
generations	O
.	O
</s>
<s>
When	O
the	O
Surface	B-Device
3	O
was	O
announced	O
,	O
a	O
smaller	O
version	O
,	O
the	O
Surface	B-Device
3	O
Type	O
Cover	O
was	O
released	O
.	O
</s>
<s>
Both	O
Surface	B-Device
3	O
and	O
Pro	O
3	O
Type	O
Covers	O
have	O
a	O
loop	O
to	O
house	O
the	O
Surface	B-Device
Pen	I-Device
.	O
</s>
<s>
On	O
October	O
6	O
,	O
2015	O
,	O
Microsoft	O
updated	O
the	O
Surface	B-Device
Pro	I-Device
Type	O
Cover	O
with	O
a	O
new	O
teal	O
color	O
in	O
addition	O
to	O
the	O
existing	O
black	O
,	O
red	O
,	O
blue	O
,	O
and	O
bright	O
blue	O
colors	O
.	O
</s>
<s>
A	O
"	O
Fingerprint	B-Algorithm
ID	I-Algorithm
"	O
version	O
was	O
also	O
announced	O
but	O
is	O
only	O
available	O
in	O
the	O
color	O
black	O
.	O
</s>
<s>
Both	O
are	O
backwards	O
compatible	O
with	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
,	O
though	O
both	O
are	O
designed	O
for	O
the	O
Surface	B-Device
Pro	I-Device
4	I-Device
.	O
</s>
<s>
With	O
the	O
launch	O
of	O
the	O
fifth-generation	B-Device
Surface	I-Device
Pro	I-Device
,	O
Microsoft	O
expanded	O
the	O
Surface	B-Device
Pro	I-Device
Signature	O
Type	O
Cover	O
line	O
to	O
include	O
burgundy	O
,	O
cobalt	O
blue	O
,	O
and	O
platinum	O
with	O
a	O
release	O
date	O
of	O
June	O
15	O
,	O
2017	O
.	O
</s>
<s>
A	O
Power	O
Cover	O
,	O
introduced	O
alongside	O
the	O
Surface	B-Device
Pro	I-Device
2	I-Device
,	O
is	O
a	O
non	O
back-lit	O
Type	O
Cover	O
with	O
a	O
built-in	O
battery	O
to	O
extend	O
the	O
Surface	B-Device
's	O
battery	O
life	O
.	O
</s>
<s>
It	O
is	O
compatible	O
with	O
the	O
Surface	B-Device
Pro	I-Device
and	O
later	O
,	O
due	O
to	O
the	O
additional	O
pins	O
required	O
on	O
the	O
Surface	B-Device
spine	O
.	O
</s>
<s>
Two	O
mice	O
have	O
also	O
been	O
released	O
for	O
the	O
Surface	B-Device
including	O
the	O
Wedge	O
Touch	O
and	O
Arc	O
Touch	O
mice	O
.	O
</s>
<s>
On	O
July	O
10	O
,	O
2018	O
,	O
Microsoft	O
launched	O
the	O
Surface	B-Device
Mouse	I-Device
alongside	O
the	O
Surface	B-Device
Keyboard	I-Device
.	O
</s>
<s>
It	O
is	O
compatible	O
with	O
any	O
Bluetooth-enabled	O
device	O
.	O
</s>
<s>
Most	O
Surface	B-Device
tablets	I-Device
have	O
an	O
active	B-Device
pen	I-Device
that	O
allows	O
users	O
to	O
write	O
directly	O
onto	O
the	O
screen	O
of	O
the	O
tablet	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pen	I-Device
for	O
the	O
Surface	B-Device
Pro	I-Device
and	O
Surface	B-Device
Pro	I-Device
2	I-Device
use	O
Wacom	O
technology	O
,	O
while	O
its	O
successor	O
released	O
alongside	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
and	O
newer	O
devices	O
use	O
that	O
of	O
N-trig	B-Device
,	O
which	O
has	O
since	O
been	O
acquired	O
by	O
Microsoft	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pen	I-Device
was	O
specifically	O
designed	O
to	O
minimize	O
latency	O
(	O
lag	O
time	O
)	O
,	O
eliminate	O
parallax	B-Device
issues	O
,	O
which	O
occur	O
when	O
the	O
point	O
where	O
the	O
tip	O
touches	O
the	O
screen	O
does	O
not	O
match	O
up	O
with	O
the	O
spot	O
where	O
the	O
ink	O
actually	O
appears	O
on	O
the	O
device	O
,	O
and	O
provide	O
a	O
more	O
natural-feeling	O
'	O
pen-on-paper	O
'	O
user	O
experience	O
.	O
</s>
<s>
The	O
Surface	B-Device
also	O
features	O
palm	O
rejection	O
which	O
allows	O
the	O
user	O
to	O
rest	O
his	O
or	O
her	O
palm	O
on	O
the	O
screen	O
while	O
using	O
the	O
Surface	B-Device
Pen	I-Device
without	O
triggering	O
an	O
unwanted	O
input	O
.	O
</s>
<s>
It	O
is	O
compatible	O
with	O
any	O
Bluetooth-enabled	O
device	O
.	O
</s>
<s>
There	O
are	O
various	O
Docking	O
Stations	O
for	O
different	O
Surface	B-Device
Laptop	I-Device
devices	O
,	O
which	O
are	O
optional	O
non-included	O
accessories	O
.	O
</s>
<s>
They	O
each	O
extend	O
the	O
Surface	B-Device
with	O
a	O
number	O
of	O
USB	O
ports	O
,	O
additional	O
audio	O
sockets	O
,	O
a	O
Gigabit	O
Ethernet	O
port	O
and	O
a	O
Mini	O
DisplayPort	O
to	O
connect	O
external	O
displays	O
.	O
</s>
<s>
As	O
of	O
April	O
2023	O
,	O
the	O
latest	O
model	O
is	O
the	O
Surface	B-Device
Thunderbolt	O
4	O
Dock	O
.	O
</s>
<s>
With	O
the	O
announcement	O
of	O
the	O
Surface	B-Device
Pro	I-Device
4	I-Device
and	O
Surface	B-Device
Book	I-Device
,	O
Microsoft	O
revealed	O
a	O
new	O
Surface	B-Device
Dock	I-Device
accessory	O
in	O
the	O
brick	O
form	O
factor	O
which	O
is	O
compatible	O
with	O
the	O
aforementioned	O
devices	O
and	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
.	O
</s>
<s>
A	O
Microsoft	O
Garage	O
incubator	O
team	O
designed	O
ergonomic	O
VESA-mounted	O
portrait	O
docking	O
stations	O
as	O
part	O
of	O
the	O
Company	O
hackathon	O
,	O
released	O
a	O
YouTube	B-General_Concept
demo	O
video	O
,	O
open-source	O
plans	O
on	O
GitHub	B-Application
,	O
and	O
made	O
ready-to-use	O
kits	O
available	O
on	O
a	O
web	O
store	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
Surface	B-Device
Dock	I-Device
,	O
Microsoft	O
has	O
released	O
a	O
USB-C	O
adapter	O
that	O
allows	O
the	O
Surface	B-Device
Pro	I-Device
and	O
Surface	B-Device
Laptop	I-Device
to	O
use	O
generic	O
USB-C	O
docking	O
stations	O
.	O
</s>
<s>
Most	O
cell	O
phone	O
and	O
tablet	O
chargers	O
do	O
not	O
support	O
these	O
voltage	O
levels	O
and	O
cannot	O
charge	O
Surface	B-Device
devices	O
using	O
this	O
adapter	O
.	O
</s>
<s>
With	O
the	O
introduction	O
of	O
the	O
Surface	B-Device
Studio	I-Device
on	O
26	O
October	O
2016	O
,	O
Microsoft	O
announced	O
a	O
new	O
type	O
of	O
computing	O
device	O
called	O
the	O
Surface	B-Device
Dial	O
.	O
</s>
<s>
The	O
promoted	O
Surface	B-Device
Dial	O
's	O
purpose	O
is	O
to	O
be	O
used	O
to	O
control	O
functions	O
that	O
artists	O
might	O
find	O
useful	O
,	O
such	O
as	O
pen	O
color	O
or	O
thickness	O
.	O
</s>
<s>
The	O
Surface	B-Device
Dial	O
is	O
set	O
with	O
standard	O
commands	O
that	O
can	O
be	O
used	O
without	O
being	O
program	O
or	O
app	O
specific	O
.	O
</s>
<s>
Some	O
third-party	O
applications	O
that	O
were	O
included	O
in	O
the	O
Surface	B-Device
Dial	O
launch	O
include	O
Drawboard	O
PDF	O
,	O
Sketchable	O
,	O
StaffPad	O
and	O
Mental	O
Canvas	O
Player	O
.	O
</s>
<s>
The	O
Surface	B-Device
Dial	O
works	O
on	O
the	O
screen	O
of	O
the	O
Surface	B-Device
Studio	I-Device
,	O
Surface	B-Device
Book	I-Device
2	I-Device
and	O
Surface	B-Device
Pro	I-Device
2017	I-Device
and	O
off-screen	O
with	O
other	O
Windows	B-Operating_System
10	I-Operating_System
devices	O
(	O
that	O
support	O
Bluetooth	B-General_Concept
4.0	I-General_Concept
LE	I-General_Concept
)	O
as	O
well	O
including	O
the	O
Surface	B-Device
Book	I-Device
and	O
Surface	B-Device
Pro	I-Device
4	I-Device
.	O
</s>
<s>
Microsoft	O
's	O
Terry	O
Myerson	O
told	O
Engadget	B-Application
that	O
a	O
firmware	O
update	O
will	O
be	O
released	O
in	O
early-2017	O
for	O
the	O
Surface	B-Device
Book	I-Device
and	O
Surface	B-Device
Pro	I-Device
4	I-Device
that	O
will	O
allow	O
the	O
on-screen	O
functions	O
to	O
work	O
with	O
those	O
devices	O
.	O
</s>
<s>
Surface	B-Device
Dial	O
,	O
like	O
the	O
Surface	B-Device
Pen	I-Device
,	O
utilize	O
non-rechargeable	O
batteries	O
,	O
though	O
the	O
Dial	O
requires	O
the	O
two	O
included	O
AAA	O
alkaline	O
batteries	O
,	O
and	O
the	O
Surface	B-Device
Pen	I-Device
requires	O
a	O
single	O
AAAA	O
battery	O
.	O
</s>
<s>
Surface	B-Device
Dial	O
requires	O
the	O
Windows	B-Operating_System
10	I-Operating_System
"	O
Anniversary	O
Update	O
"	O
in	O
order	O
to	O
function	O
.	O
</s>
<s>
The	O
Dial	O
is	O
compatible	O
with	O
the	O
Surface	B-Device
Pro	I-Device
4	I-Device
,	O
Surface	B-Device
Studio	I-Device
,	O
Surface	B-Device
Pro	I-Device
(	O
2017	O
)	O
,	O
and	O
Surface	B-Device
Book	I-Device
2	I-Device
.	O
</s>
<s>
On	O
October	O
2	O
,	O
2018	O
,	O
Microsoft	O
unveiled	O
Bluetooth-compatible	O
Surface	B-Device
Headphones	I-Device
alongside	O
the	O
Surface	B-Device
Pro	I-Device
6	I-Device
,	O
Surface	B-Device
Laptop	I-Device
2	I-Device
and	O
Surface	B-Device
Studio	I-Device
2	I-Device
.	O
</s>
<s>
The	O
noise-cancelling	O
Bluetooth	B-Protocol
headphones	O
feature	O
Cortana	B-Application
integration	O
and	O
four	O
beam-forming	O
microphones	O
.	O
</s>
<s>
On	O
August	O
15	O
,	O
2020	O
,	O
Microsoft	O
introduced	O
Surface	B-Device
Headphones	I-Device
2	O
,	O
compatible	O
with	O
Windows	B-Operating_System
10	I-Operating_System
and	O
Windows	B-Application
11	I-Application
Home/Pro	I-Application
with	O
the	O
latest	O
updates	O
.	O
</s>
<s>
It	O
's	O
also	O
compatible	O
with	O
Bluetooth	B-Protocol
4.1/4.2/5.0	I-Protocol
,	O
IOS	B-Application
12	I-Application
or	I-Application
13	I-Application
,	O
Android	B-Application
9	I-Application
or	I-Application
10	I-Application
.	O
</s>
<s>
The	O
earbuds	O
can	O
also	O
live	O
transcribe	O
a	O
PowerPoint	B-Application
presentation	O
from	O
a	O
connected	O
computer	O
.	O
</s>
<s>
Like	O
the	O
aforementioned	O
headphones	O
,	O
these	O
are	O
compatible	O
to	O
Bluetooth	B-Protocol
.	O
</s>
<s>
There	O
are	O
many	O
other	O
accessories	O
for	O
the	O
Microsoft	B-Device
Surface	I-Device
.	O
</s>
<s>
Microsoft	O
launched	O
a	O
Surface	B-Device
HD	O
Digital	O
A/V	O
Adapter	O
which	O
works	O
with	O
micro-HDMI	O
to	O
HDMI	O
for	O
the	O
Surface	B-Device
and	O
Surface	B-Device
2	I-Device
,	O
and	O
a	O
Surface	B-Device
VGA	O
adapter	O
which	O
also	O
works	O
with	O
Surface	B-Device
and	O
Surface	B-Device
2	I-Device
going	O
from	O
the	O
built-in	O
micro-HDMI	O
to	O
VGA	O
.	O
</s>
<s>
For	O
the	O
Surface	B-Device
Pro	I-Device
series	O
,	O
a	O
Display	O
Port	O
to	O
HD	O
A/V	O
(	O
HDMI	O
)	O
and	O
a	O
Display	O
Port	O
to	O
VGA	O
adapter	O
was	O
created	O
.	O
</s>
<s>
For	O
the	O
first	O
generation	O
Surface	B-Device
,	O
a	O
32	O
watt	O
power	O
supply	O
was	O
included	O
,	O
which	O
was	O
upgraded	O
with	O
the	O
Surface	B-Device
2	I-Device
to	O
feature	O
a	O
larger	O
indicator	O
light	O
to	O
show	O
the	O
Surface	B-Device
was	O
charging	O
.	O
</s>
<s>
The	O
Surface	B-Device
Pro	I-Device
and	O
Pro	O
2	O
feature	O
a	O
48	O
watt	O
power	O
supply	O
with	O
a	O
USB	O
(	O
power	O
only	O
)	O
port	O
on	O
the	O
charging	O
brick	O
.	O
</s>
<s>
As	O
with	O
the	O
Surface	B-Device
2	I-Device
's	O
power	O
supply	O
,	O
the	O
Pro	O
2	O
's	O
power	O
supply	O
features	O
a	O
larger	O
indicator	O
light	O
.	O
</s>
<s>
Microsoft	O
redesigned	O
the	O
power	O
supply	O
for	O
the	O
Surface	B-Device
Pro	I-Device
3	I-Device
with	O
a	O
new	O
"	O
fin	O
"	O
connector	O
and	O
a	O
36	O
watt	O
rating	O
.	O
</s>
<s>
The	O
Surface	B-Device
3	O
launched	O
with	O
another	O
redesigned	O
power	O
supply	O
using	O
a	O
micro-USB	O
connector	O
and	O
having	O
a	O
13	O
watt	O
rating	O
.	O
</s>
<s>
Two	O
Ethernet	O
adapters	O
have	O
been	O
released	O
to	O
work	O
with	O
the	O
Surface	B-Device
Pro	I-Device
line	O
including	O
the	O
Ethernet	O
Adapter	O
for	O
USB	O
2.0	O
with	O
a	O
speed	O
rating	O
of	O
100	O
Mbit/s	O
and	O
a	O
Surface	B-Device
Ethernet	O
Adapter	O
for	O
USB	O
3.0	O
with	O
a	O
speed	O
of	O
1	O
Gbit/s	O
.	O
</s>
