Fitbit Alta HR Smart Band vs Fitbit Charge 2 Smart Band comparison

Show Only Differences Highlight Differences	Fitbit Alta HR Smart Band	Fitbit Charge 2 Smart Band
key specs
Display Type	LED	OLED
Water Resistant	Yes	No
Heart Rate Monitor	Yes	Yes
Compatible Devices	Android & iPhone	Android phones, iPhones
Battery Life (Days)	-	5
general
Brand	Fitbit	Fitbit
Model	Alta HR Smart Band	Charge 2 Smart Band
Model Number	Alta HR	-
Color	Black	Black
Reading Type	Digital	Digital
Ideal For	Unisex	Unisex
Suitable For	Fitness	Fitness
Touch Enabled	Yes	Yes
Water Resistant	Yes	No
Function	Call, Text & Calendar Alerts, Auto Sleep Tracking & Sleep Stages	-
Dial Shape	Rectangle	Rectangle
Model Name	-	Charge 2
Material	-	Elastomer
display and battery features
Display Type	LED	OLED
Backlight Present	Yes	Yes
Battery Life (Days)	-	5
Battery Type	-	Lithium Polymer (Li-poly)
Charge Time (hours)	-	2
performance features
Shock Resistant	Yes	No
Operating Temperature (Celsius)	-	-10° to 45°
connectivity features
Bluetooth Enabled	Yes	Yes
Bluetooth Version	v4	v4
compatibility
Compatible Devices	Android & iPhone	Android phones, iPhones
Compatible Android Version	-	Android 4.4 and above
activity tracking function
Alarms	Yes	Yes
Blood Pressure Monitor	Yes	Yes
Distance Covered	Yes	Yes
Heart Rate Monitor	Yes	Yes
Sleep Tracking	Yes	Yes
Step Counter	Yes	Yes
Automatic Exercise Detection	-	Yes
Calories Burned	-	Yes
Do Not Disturb Mode	-	Yes
Floors Climbed	-	Yes
Phone Notifications	-	Yes
Reminders	-	Yes
Sedentary Reminder	-	Yes
SPO2 Monitor	-	Yes
VO2 Max	-	Yes
workout modes
Exercise	-	Yes
Outdoor Running	-	Yes
Cycling	-	Yes
Walking	-	Yes
sensors
Accelerometer	-	Yes
Optical Heart Rate Sensor	-	Yes
Pedometer	-	Yes
Vibration Motor	-	Yes

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