Philips Health Watch
Tech specs 
SizeWrist circumference covered
S: 137–189 mm, L: 167–223 mm
MaterialStainless steel 316L; Soft biocompatible TPU strap
ChargingUSB
BatteryLithium ion battery
Battery lifeUp to 4 days
Water-resistanceSplash and sweat proof
Weight51 grams
Sensor3 axis accelerometer, optical heart rate sensor
DisplayLCD always on display
Screen size
ColorsBlack
Other
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
SleepYes
Heart rateYes
Vo2MaxYes
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other Resting heart rate, heart rate recovery, resting respiration rate, VO2 max estimate
Clinically validated measurements and algorithms
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Amazon
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