<s>
The	O
Nike+iPod	B-Application
Sports	O
Kit	O
is	O
an	O
activity	B-Device
tracker	I-Device
device	O
,	O
developed	O
by	O
Nike	O
,	O
Inc.	O
,	O
which	O
measures	O
and	O
records	O
the	O
distance	O
and	O
pace	O
of	O
a	O
walk	O
or	O
run	O
.	O
</s>
<s>
The	O
Nike+iPod	B-Application
consists	O
of	O
a	O
small	O
transmitter	O
device	O
attached	O
to	O
or	O
embedded	O
in	O
a	O
shoe	O
,	O
which	O
communicates	O
with	O
either	O
the	O
Nike+	B-Application
Sportband	O
,	O
a	O
receiver	O
plugged	O
into	O
an	O
iPod	B-Device
Nano	I-Device
.	O
</s>
<s>
It	O
can	O
also	O
work	O
directly	O
with	O
a	O
2nd	O
Generation	O
iPod	B-Device
Touch	I-Device
(	O
or	O
higher	O
)	O
,	O
iPhone	B-Operating_System
3GS	I-Operating_System
,	O
iPhone	B-Operating_System
4	I-Operating_System
,	O
iPhone	B-Operating_System
4S	I-Operating_System
,	O
iPhone	B-Operating_System
5	I-Operating_System
,	O
iPhone	B-Operating_System
5C	I-Operating_System
,	O
iPhone	B-Operating_System
5S	I-Operating_System
,	O
or	O
a	O
Nike+	B-Application
Sportwatch	B-Application
.	O
</s>
<s>
If	O
using	O
the	B-Device
iPod	I-Device
or	O
the	O
iPhone	B-Operating_System
,	O
iTunes	B-Operating_System
software	O
can	O
be	O
used	O
to	O
view	O
the	O
walk	O
or	O
run	O
history	O
.	O
</s>
<s>
The	O
Nike+iPod	B-Application
was	O
announced	O
on	O
May	O
23	O
,	O
2006	O
.	O
</s>
<s>
On	O
September	O
7	O
,	O
2010	O
,	O
Nike	O
released	O
the	O
Nike+	B-Application
Running	O
App	O
(	O
originally	O
called	O
Nike+	B-Application
GPS	O
)	O
on	O
the	O
App	B-Application
Store	I-Application
,	O
which	O
used	O
a	O
tracking	O
engine	O
powered	O
by	O
MotionX	O
that	O
does	O
not	O
require	O
the	O
separate	O
shoe	O
sensor	O
or	O
pedometer	O
.	O
</s>
<s>
This	O
application	O
works	O
using	O
the	O
accelerometer	O
and	O
GPS	O
of	O
the	O
iPhone	B-Operating_System
and	O
the	O
accelerometer	O
of	O
the	B-Device
iPod	I-Device
Touch	O
,	O
which	O
does	O
not	O
have	O
a	O
GPS	O
chip	O
.	O
</s>
<s>
Nike+Running	O
is	O
compatible	O
with	O
the	O
iPhone	B-Operating_System
6	I-Operating_System
and	O
iPhone	B-Operating_System
6	I-Operating_System
Plus	I-Operating_System
down	O
to	O
iPhone	B-Operating_System
3GS	I-Operating_System
and	O
iPod	B-Device
touch	I-Device
.	O
</s>
<s>
On	O
June	O
21	O
,	O
2012	O
,	O
Nike	O
released	O
Nike+	B-Application
Running	O
App	O
for	O
Android	O
.	O
</s>
<s>
The	O
sensor	O
and	O
iPod	B-Device
kit	O
were	O
revealed	O
on	O
May	O
20	O
,	O
2006	O
.	O
</s>
<s>
Nike+	B-Application
was	O
a	O
collaboration	O
between	O
Nike	O
and	O
Apple	O
;	O
the	O
platform	O
consisted	O
of	O
an	O
iPod	B-Device
,	O
a	O
wireless	O
chip	O
,	O
Nike	O
shoes	O
that	O
accepted	O
the	O
wireless	O
chip	O
,	O
an	O
iTunes	B-Operating_System
membership	O
,	O
and	O
a	O
Nike+	B-Application
online	O
community	O
.	O
</s>
<s>
iPods	B-Device
using	O
Nike	B-Application
iPod	I-Application
require	O
a	O
sensor	O
and	O
remote	O
.	O
</s>
<s>
The	O
kit	O
allows	O
users	O
to	O
store	O
run	O
information	O
without	O
the	B-Device
iPod	I-Device
Nano	O
.	O
</s>
<s>
The	O
receiver	O
displays	O
information	O
comparable	O
to	O
that	O
of	O
the	B-Device
iPod	I-Device
kit	O
on	O
the	O
built-in	O
display	O
.	O
</s>
<s>
After	O
a	O
run	O
,	O
the	O
receiver	O
can	O
be	O
plugged	O
straight	O
into	O
a	O
USB	O
port	O
and	O
the	O
software	O
will	O
upload	O
the	O
run	O
information	O
automatically	O
to	O
the	O
Nike+	B-Application
website	O
.	O
</s>
<s>
As	O
of	O
August	O
2008	O
"	O
Nike+iPod	B-Application
for	O
the	O
Gym	O
"	O
launched	O
,	O
allowing	O
users	O
to	O
record	O
their	O
cardio	O
workouts	O
directly	O
to	O
their	O
iPods	B-Device
.	O
</s>
<s>
No	O
Sport	O
kit	O
or	O
shoe	O
sensor	O
is	O
required	O
;	O
all	O
that	O
is	O
needed	O
is	O
a	O
compatible	O
iPod	B-Device
(	O
1st	O
–	O
6th	O
generation	O
iPod	B-Device
Nano	I-Device
or	O
2nd/3rd	O
gen	O
iPod	B-Device
Touch	I-Device
)	O
and	O
an	O
enabled	O
piece	O
of	O
cardio	O
equipment	O
.	O
</s>
<s>
Once	O
the	O
user	O
syncs	O
an	O
iPod	B-Device
with	O
iTunes	B-Operating_System
,	O
the	O
cardio	O
workouts	O
are	O
automatically	O
stored	O
at	O
Nikeplus.com,	O
where	O
each	O
workout	O
is	O
visualized	O
and	O
tracked	O
based	O
on	O
the	O
number	O
of	O
calories	O
burned	O
.	O
</s>
<s>
The	O
calories	O
are	O
converted	O
to	O
"	O
CardioMiles	O
"	O
,	O
at	O
a	O
ratio	O
of	O
100:1	O
,	O
allowing	O
cardio	O
users	O
to	O
take	O
full	O
advantage	O
of	O
all	O
the	O
tools	O
and	O
features	O
of	O
Nikeplus.com,	O
and	O
allow	O
them	O
to	O
engage	O
in	O
challenges	O
with	O
other	O
runners	O
,	O
walkers	O
and	O
cardio	O
users	O
,	O
using	O
a	O
common	O
currency	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
second-generation	O
iPod	B-Device
Touch	I-Device
in	O
2008	O
,	O
Apple	O
Inc	O
.	O
included	O
a	O
built-in	O
ability	O
to	O
receive	O
Nike+	B-Application
signals	O
,	O
which	O
allowed	O
the	B-Device
iPod	I-Device
to	O
connect	O
directly	O
to	O
the	O
wireless	O
sensor	O
thus	O
eliminating	O
the	O
need	O
for	O
an	O
external	O
receiver	O
to	O
be	O
connected	O
.	O
</s>
<s>
Apple	O
also	O
added	O
this	O
capability	O
to	O
the	O
iPhone	B-Operating_System
3GS	I-Operating_System
(	O
released	O
2009	O
)	O
,	O
iPhone	B-Operating_System
4	I-Operating_System
(	O
2010	O
)	O
,	O
and	O
third-generation	O
iPod	B-Device
Touch	I-Device
(	O
2009	O
)	O
.	O
</s>
<s>
Those	O
devices	O
use	O
their	O
Broadcom	O
Bluetooth	B-Protocol
chipset	O
to	O
receive	O
the	O
signals	O
.	O
</s>
<s>
On	O
June	O
7	O
,	O
2010	O
,	O
Polar	O
and	O
Nike	O
introduced	O
the	O
Polar	O
WearLink+	O
that	O
works	O
with	O
Nike+	B-Application
.	O
</s>
<s>
This	O
new	O
product	O
works	O
with	O
the	O
Nike+	B-Application
SportBand	O
and	O
the	O
fifth	O
generation	O
iPod	B-Device
nano	I-Device
in	O
conjunction	O
with	O
the	O
Nike+	B-Application
iPod	B-Device
Sport	O
Kit	O
.	O
</s>
<s>
Polar	O
WearLink+	O
that	O
works	O
with	O
Nike+	B-Application
communicates	O
directly	O
with	O
the	O
fifth	O
generation	O
iPod	B-Device
nano	I-Device
and	O
Nike+	B-Application
SportBand	O
using	O
a	O
proprietary	O
digital	O
protocol	O
but	O
it	O
is	O
dual-mode	O
so	O
it	O
is	O
also	O
compatible	O
with	O
most	O
Polar	O
training	O
computers	O
(	O
all	O
those	O
using	O
5kHz	O
analog	O
transmission	O
technology	O
)	O
.	O
</s>
<s>
Nike+	B-Application
had	O
18	O
million	O
global	O
users	O
as	O
of	O
April	O
2013	O
.	O
</s>
<s>
In	O
iOS	O
6.1.2	O
(	O
and	O
possibly	O
higher	O
)	O
,	O
a	O
hole	O
in	O
the	O
compatibility	O
for	O
the	O
app	O
has	O
allowed	O
jailbroken	O
iPad	O
users	O
to	O
use	O
the	O
native	O
Nike	B-Application
+	I-Application
iPod	I-Application
iPhone	B-Operating_System
and	O
iPod	B-Device
app	O
by	O
moving	O
the	O
app	O
bundle	O
and	O
setting	O
permissions	O
for	O
the	O
app	O
.	O
</s>
<s>
On	O
April	O
30	O
,	O
2018	O
,	O
Nike	O
retired	O
services	O
for	O
legacy	O
Nike	O
wearable	O
devices	O
,	O
such	O
as	O
the	O
Nike+	B-Application
FuelBand	O
and	O
the	O
Nike+	B-Application
SportWatch	B-Application
GPS	O
,	O
and	O
previous	O
versions	O
of	O
apps	O
,	O
including	O
Nike	O
Run	O
Club	O
and	O
Nike	O
Training	O
Club	O
version	O
4.X	O
and	O
lower	O
.	O
</s>
<s>
Likewise	O
,	O
Nike	O
no	O
longer	O
supported	O
the	O
Nike+	B-Application
Connect	O
software	O
that	O
transferred	O
data	O
to	O
a	O
NikePlus	B-Application
Profile	O
or	O
the	O
Nike+	B-Application
Fuel/FuelBand	O
and	O
Nike+	B-Application
Move	O
apps	O
.	O
</s>
<s>
The	O
kit	O
consists	O
of	O
two	O
pieces	O
:	O
a	O
piezoelectric	O
sensor	O
with	O
a	O
Nordic	O
Semiconductor	O
nRF2402	O
transmitter	O
that	O
is	O
mounted	O
under	O
the	O
inner	O
sole	O
of	O
the	O
shoe	O
and	O
a	O
receiver	O
that	O
connects	O
to	O
the	B-Device
iPod	I-Device
.	O
</s>
<s>
Nike	O
recommends	O
that	O
the	O
shoe	O
be	O
a	O
Nike+	B-Application
model	O
with	O
a	O
special	O
pocket	O
in	O
which	O
to	O
place	O
the	O
device	O
.	O
</s>
<s>
Nike	O
has	O
released	O
the	O
sensor	O
for	O
individual	O
sale	O
meaning	O
that	O
consumers	O
no	O
longer	O
have	O
to	O
purchase	O
the	O
whole	O
set	O
(	O
the	B-Device
iPod	I-Device
receiver	O
and	O
sensor	O
)	O
.	O
</s>
<s>
New	O
workouts	O
are	O
started	O
by	O
plugging	O
the	O
receiving	O
unit	O
into	O
the	B-Device
iPod	I-Device
,	O
then	O
navigating	O
through	O
the	B-Device
iPod	I-Device
menu	O
system	O
.	O
</s>
<s>
The	O
user	O
then	O
must	O
press	O
the	O
center	O
button	O
on	O
the	B-Device
iPod	I-Device
to	O
begin	O
the	O
workout	O
.	O
</s>
<s>
Audio	O
feedback	O
is	O
provided	O
in	O
the	O
user	O
's	O
choice	O
of	O
generic	O
male	O
or	O
female	O
voice	O
by	O
the	B-Device
iPod	I-Device
over	O
the	O
course	O
of	O
the	O
workout	O
,	O
depending	O
on	O
the	O
type	O
of	O
workout	O
chosen	O
.	O
</s>
<s>
The	B-Device
iPod	I-Device
's	O
control	O
wheel	O
functions	O
change	O
slightly	O
during	O
a	O
workout	O
.	O
</s>
<s>
The	O
Center	O
button	O
has	O
two	O
functions	O
:	O
audio	O
feedback	O
about	O
the	O
current	O
distance	O
,	O
time	O
,	O
and	O
pace	O
are	O
provided	O
when	O
the	O
button	O
is	O
tapped	O
once	O
,	O
while	O
if	O
the	O
button	O
is	O
held	O
down	O
the	B-Device
iPod	I-Device
skips	O
to	O
the	O
"	O
PowerSong	B-Device
"	O
-	O
an	O
audio	O
track	O
chosen	O
by	O
the	O
user	O
,	O
generally	O
intended	O
for	O
motivation	O
.	O
</s>
<s>
For	O
calibration	O
,	O
the	O
user	O
finds	O
a	O
fixed	O
known	O
distance	O
of	O
at	O
least	O
0.25	O
mile	O
or	O
400	O
meters	O
and	O
then	O
sets	O
the	O
Nike+	B-Application
to	O
calibration	O
mode	O
for	O
the	O
walk	O
or	O
run	O
over	O
that	O
distance	O
.	O
</s>
<s>
iPod	B-Device
receiver	O
:	O
</s>
<s>
This	O
unique	O
32-bit	O
number	O
has	O
been	O
successfully	O
used	O
to	O
identify	O
specific	O
Nike+	B-Application
foot	O
sensors	O
.	O
</s>
<s>
In	O
addition	O
to	O
tracking	O
personal	O
workout	O
statistics	O
,	O
the	O
Nike+	B-Application
integrates	O
directly	O
with	O
the	O
Nike	O
website	O
.	O
</s>
<s>
Workout	O
data	O
can	O
be	O
automatically	O
uploaded	O
to	O
the	O
website	O
during	O
an	O
iPod	B-Device
sync	O
with	O
iTunes	B-Operating_System
or	O
through	O
another	O
program	O
via	O
the	O
website	O
's	O
public	O
API	B-Application
.	O
</s>
<s>
Workout	O
data	O
is	O
stored	O
in	O
XML	B-Protocol
files	O
on	O
the	B-Device
iPod	I-Device
,	O
which	O
has	O
led	O
some	O
web	O
and	O
applications	O
programmers	O
to	O
offer	O
alternatives	O
to	O
the	O
official	O
Nike	O
reports	O
.	O
</s>
<s>
On	O
October	O
19	O
,	O
2006	O
,	O
new	O
features	O
were	O
added	O
to	O
the	O
Nike+	B-Application
website	O
,	O
including	O
the	O
ability	O
to	O
name	O
runs	O
.	O
</s>
<s>
Recently	O
,	O
there	O
have	O
been	O
several	O
more	O
additions	O
to	O
the	O
Nike+	B-Application
website	O
including	O
but	O
not	O
limited	O
to	O
:	O
a	O
challenge	O
gallery	O
where	O
all	O
user	O
created	O
challenges	O
are	O
viewable	O
,	O
the	O
ability	O
to	O
name	O
the	O
route	O
taken	O
when	O
running	O
or	O
walking	O
,	O
compatibility	O
with	O
the	O
new	O
iPod	B-Device
Nano	I-Device
(	O
fifth	O
generation	O
)	O
,	O
a	O
distance	O
club	O
to	O
view	O
everyone	O
's	O
total	O
distance	O
traveled	O
,	O
fastest	O
5K	O
et	O
cetera	O
.	O
</s>
