<s>
It	O
produces	O
wireless-enabled	O
wearable	B-Operating_System
technology	I-Operating_System
,	O
physical	O
fitness	B-Device
monitors	I-Device
and	O
activity	B-Device
trackers	I-Device
such	O
as	O
smartwatches	B-Application
,	O
pedometers	O
and	O
monitors	O
for	O
heart	O
rate	O
,	O
quality	O
of	O
sleep	O
and	O
stairs	O
climbed	O
as	O
well	O
as	O
related	O
software	O
.	O
</s>
<s>
The	O
company	O
was	O
acquired	O
by	O
Google	B-Application
in	O
January	O
2021	O
.	O
</s>
<s>
In	O
2019	O
,	O
Fitbit	O
was	O
the	O
fifth	O
largest	O
wearable	B-Operating_System
technology	I-Operating_System
company	O
in	O
shipments	O
.	O
</s>
<s>
On	O
December	O
6	O
,	O
2016	O
,	O
Fitbit	O
acquired	O
assets	O
from	O
Pebble	B-Device
for	O
$23	O
million	O
.	O
</s>
<s>
On	O
January	O
10	O
,	O
2017	O
,	O
Fitbit	O
acquired	O
Romania-based	O
smartwatch	B-Application
startup	O
Vector	O
Watch	O
SRL	O
.	O
</s>
<s>
In	O
August	O
2018	O
,	O
Blue	O
Cross	O
Blue	O
Shield	O
Association	O
announced	O
a	O
partnership	O
with	O
Fitbit	O
in	O
which	O
BCBS	O
will	O
include	O
Fitbit	O
's	O
wearables	O
and	O
fitness	B-Device
trackers	I-Device
in	O
its	O
Blue365	O
program	O
.	O
</s>
<s>
In	O
January	O
2021	O
,	O
Fitbit	O
was	O
acquired	O
by	O
Google	B-Application
and	O
absorbed	O
into	O
its	O
hardware	O
division	O
.	O
</s>
<s>
The	O
acquisition	O
was	O
scrutinized	O
by	O
regulators	O
concerned	O
over	O
Google	B-Application
's	I-Application
access	O
to	O
personal	O
data	O
in	O
both	O
the	O
United	O
States	O
and	O
Europe	O
.	O
</s>
<s>
The	O
first	O
product	O
released	O
was	O
the	O
Fitbit	B-Device
Tracker	I-Device
,	O
which	O
was	O
released	O
in	O
2009	O
.	O
</s>
<s>
In	O
2014	O
,	O
Fitbit	O
began	O
offering	O
activity	B-Device
trackers	I-Device
,	O
along	O
with	O
a	O
website	O
and	O
a	O
mobile	B-Application
app	I-Application
for	O
iOS	B-Application
,	O
Android	B-Application
and	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
This	O
allows	O
the	O
trackers	O
to	O
sync	O
to	O
devices	O
such	O
as	O
mobile	O
phones	O
via	O
Bluetooth	B-Protocol
,	O
or	O
to	O
a	O
Bluetooth-equipped	O
computer	O
running	O
Windows	O
or	O
MacOS	B-Application
.	O
</s>
<s>
In	O
2017	O
,	O
the	O
company	O
released	O
its	O
Fitbit	O
Ionic	O
smartwatch	B-Application
,	O
and	O
in	O
2018	O
,	O
it	O
released	O
a	O
redesigned	O
,	O
lower-priced	O
version	O
of	O
the	O
smartwatch	B-Application
called	O
the	O
Versa	O
.	O
</s>
<s>
The	O
Fitbit	O
Charge	O
3	O
,	O
a	O
wristband	O
health	O
and	O
fitness	B-Device
tracker	I-Device
introduced	O
in	O
October	O
2018	O
,	O
was	O
the	O
first	O
device	O
to	O
feature	O
an	O
oxygen	O
saturation	O
(	O
SPO2	O
)	O
sensor	O
;	O
however	O
,	O
as	O
of	O
January	O
2019	O
,	O
it	O
was	O
non-functional	O
and	O
Fitbit	O
did	O
not	O
provide	O
an	O
implementation	O
timeline	O
.	O
</s>
<s>
There	O
are	O
three	O
versions	O
of	O
the	O
Fitbit	B-Device
Versa	I-Device
,	O
standard	O
,	O
Special	O
,	O
and	O
Lite	O
.	O
</s>
<s>
In	O
December	O
2018	O
,	O
Fitbit	O
added	O
an	O
API	O
and	O
open	O
source	O
tools	O
to	O
allow	O
developers	O
to	O
better	O
build	O
apps	O
for	O
its	O
smartwatch	B-Application
products	O
.	O
</s>
<s>
In	O
August	O
2020	O
,	O
Fitbit	O
also	O
announced	O
new	O
smartwatches	B-Application
,	O
the	O
Versa	O
3	O
,	O
the	O
Inspire	O
2	O
,	O
and	O
the	O
Fitbit	O
Sense	O
,	O
which	O
includes	O
new	O
health	O
metrics	O
and	O
analysis	O
such	O
as	O
stress	O
sensing	O
,	O
oxygen	O
saturation	O
,	O
and	O
skin	O
temperature	O
.	O
</s>
<s>
In	O
August	O
2022	O
,	O
Fitbit	O
announced	O
new	O
smartwatches	B-Application
,	O
the	O
Versa	O
4	O
,	O
the	O
Inspire	O
3	O
,	O
and	O
the	O
Sense	O
2	O
,	O
featuring	O
incremental	O
improvements	O
mainly	O
in	O
fitness	B-Device
tracking	I-Device
features	O
and	O
battery	O
life	O
over	O
the	O
last	O
iterations	O
.	O
</s>
<s>
On	O
March	O
2	O
,	O
2022	O
,	O
Fitbit	O
issued	O
a	O
voluntary	O
recall	O
of	O
its	O
Ionic	O
smartwatches	B-Application
after	O
reports	O
of	O
overheating	O
batteries	O
which	O
caused	O
skin	O
burns	O
for	O
some	O
owners	O
.	O
</s>
<s>
The	O
acquisition	O
by	O
Alphabet	O
has	O
resulted	O
in	O
concern	O
that	O
Fitbit	O
user	O
data	O
could	O
be	O
combined	O
with	O
other	O
Google	B-Application
services	O
data	O
or	O
sold	O
for	O
purposes	O
such	O
as	O
targeted	O
advertising	O
.	O
</s>
<s>
In	O
response	O
,	O
Fitbit	O
stated	O
in	O
2019	O
that	O
user	O
data	O
would	O
not	O
be	O
used	O
or	O
sold	O
for	O
advertising	O
by	O
Google	B-Application
,	O
citing	O
that	O
trustworthiness	O
was	O
"	O
paramount	O
"	O
to	O
the	O
company	O
,	O
and	O
that	O
the	O
sale	O
would	O
not	O
change	O
their	O
historic	O
commitment	O
to	O
user	O
privacy	O
and	O
security	O
.	O
</s>
<s>
However	O
,	O
Connie	O
's	O
Fitbit	B-Device
tracker	I-Device
showed	O
that	O
she	O
was	O
at	O
the	O
gym	O
at	O
the	O
time	O
Richard	O
told	O
police	O
his	O
wife	O
was	O
shot	O
.	O
</s>
<s>
Data	O
from	O
her	O
Fitbit	O
fitness	B-Device
tracker	I-Device
showed	O
that	O
her	O
heart	O
rate	O
spiked	O
when	O
Aiello	O
visited	O
her	O
and	O
stopped	O
five	O
minutes	O
before	O
he	O
left	O
.	O
</s>
