Garmin Vivofit Jr 2
Tech specs 
SizeCircumference: 136 mm
Bands: Regular size accommodates wrists up to 145 mm; X-large fits wrists 146-170 mm. vívofit 3 bands are compatible.
MaterialSilicone and plastic
ChargingNo
BatteryOne replaceable CR1632 coin cell
Battery lifeUp to 1 year
Water-resistanceUp to 50 metres (5 ATM)
Weight17.5 grams
Sensoraccelerometer
Displayalways-on color 64 x 64 pixels
Screen size10 mm x 10 mm
ColorsStar Wars theme, Stretchy Avengers, Marvel, Minnie Mouse and friends.
Other
Activity tracking 
StepsYes
Distance
Calories burned
ActivityYes (recommended 60 minutes play activity, chores, tasks)
Floors
SleepYes
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other - Parents can assign tasks and chores
- Free parent-controlled app includes fun and educational mobile adventures for kids and chore/behavior management for parents
- Kids can earn coins to redeem for agreed-upon rewards managed by parents
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Amazon
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