Garmin Vivofit
Tech specs 
Size21 mm wide x 10.5 mm thick (length varies based on band size; 120-175mm (small wrist circumference) and 152-210mm (large wrist circumference)
MaterialSilicone
ChargingNo
BatteryTwo replaceable CR1632 coin cells
Battery lifeMore than 1 year
Water-resistanceUp to 50 metres (5 ATM)
Weight25.5 grams
Sensor3 axis-accelerometer
DisplayLCD
Screen size1.00" x 0.39" (25.5 mm x 10 mm)
ColorsBlack, Purple, Teal, Blue, Slate, Red
Other
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
Sleep
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other Goal countdown,clock, heart rate and heart rate zone (heart rate and heart rate zone available when used with an ANT heart rate monitor)
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Amazon | Garmin
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