Garmin Vivofit 3
Tech specs 
SizeRegular wrist circumference: 5.4”-7.7” (137-195 mm); X-large wrist circumference: 6.5”-8.9” (165-225 mm)
MaterialN/A
ChargingNo
BatteryTwo replaceable CR1632 coin cells
Battery lifeMore than 1 year
Water-resistanceUp to 50 metres (5 ATM)
WeightRegular: 26 grams; X-large: 28 grams
Sensor3 axis-accelerometer
DisplayLCD (64 x 64 pixels)
Screen size0.39" x 0.39" (10 mm x 10 mm)
ColorsBlack, White, Navy, Pink, Camo & Brown
Other
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
Floors
Sleep
Heart rate
Vo2Max
UV exposure
Skin temperature
Galvanic skin response
GPS
Running featuresAccelerometer (calculates distance for indoor workouts, without need for a foot pod), personal records.
Swimming features
Smartphone notifications
Other Goal countdown, clock, beeper, activity timer, watch functions time, date, calendar, and alarm), automatic activity detection, auto sync, intensity minutes
Links 
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Amazon US rating3.5 out of 5 stars
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