Sony Smartband SWR30
Tech specs 
Size23.5 mm (Width); 9.5 mm (Thickness)
MaterialSilicone
ChargingUSB
Battery70 mA battery
Battery lifeUp to 13 days
Water-resistanceUp to 1.5 m
Weight24 grams
Sensor3-axis accelerometer, altimeter
DisplayBlack and white E ink display
Screen size
ColorsWhite, Black.
Other
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
FloorsYes
SleepYes
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other Lifelog companion app
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
Links 
Affiliate link*Amazon
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