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19
Fitbit Flex
2
General Info
& Specifications
Sensors
Your
Fitbit
Flex 2
contains a
MEMS 3
-
axis accelerometer, which tracks your motion
patterns
.
Materials
The wristband that comes with
Flex 2
is made of a flexible, durable elastomer
material similar to that used in many sports watch
es. It does not contain latex.
The
clasp
that comes with
Flex 2
is
made of surgical
-
grade stainless steel. While all
stainless steel contains traces of nickel and can cause an allergic reaction in someone
with nickel sensitivity, the amount of nickel in
all Fitbit products meets the European
Union's stringent Nickel Directive.
Fitbit a
ccessory
bangles, bands and
,
pendants
sold separately
are available
in
durable elastomer and
stainless steel.
Wireless technology
Flex 2 contains a Bluetooth 4.0 radio trans
ceiver.
F
eedback
Flex
2 contains a vibration motor, which allows the tracker to vibrate with alarms,
goals, and notifications.
Battery
Flex 2
contains a rechargeable lithium
-
polymer battery.
Memory
Flex 2 stores
most
minute
-
by
-
minute
stats
and
SmartTrack
data for seven days
. It
stores
summary totals for 30 days. Stored data consists of steps, distance, calories
burned, active minutes, exercise, sleep, and stationary vs. active hours. We
recommend syncing your tracker at least once a day
.