Fitbit Alta HR
Tech specs 
SizeDevice Dimensions: 15 mm x 10 mm x 35 mm (W x D x L)
(Sizes depend on type of band)
MaterialWristband is made of a flexible, durable elastomer. The tracker is made with surgical-grade stainless steel, and the buckle is made with aluminum.
Battery lifeup to 7 days
Water-resistanceSweat, rain and splash proof
Weight15 grams
Sensor3-axis accelerometer, Vibration motor, optical heart rate sensor
DisplayB&W OLED touchscreen
Screen size1.4-inch, 128 x 36 pixel resolution
ColorsBlack, Blue/Gray, Coral, Fuchsia
Activity tracking 
Calories burnedYes
Heart rate24/7
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
Running features
Swimming features
Other Clock, auto sleep detection, silent wake alarm, auto exercise recognition.
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
Affiliate link*Amazon | Fitbit
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