Garmin Vivofit Jr
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
Display64 x 64 pixels
Screen size10 mm x 10 mm
ColorsBroken Lava, Digi Camo, Real Flower
Other
Activity tracking 
StepsYes
Distance
Calories
ActivityYes (recommended 60 minutes play activity, chores, tasks)
Floors
SleepYes
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
GPS
Running features
Swimming features
Smartphone notifications
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
Links 
View onAmazon | Garmin | Best Buy | Target | eBay
Amazon US rating3.8 out of 5 stars
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