Polar Loop
Tech specs 
Size23.9cm (Length) X 2.0cm (Width)
MaterialPolyurethane (TPU)
ChargingCustom Polar USB cable
Battery25 mAH Lithium-polymer battery
Battery lifeUp to 6 days
Water-resistanceUp to 20 metres
Weight48 grams
Sensor3d-accelerometer
Display85 LEDs
Screen size5 X 17 Matrix
ColorsMisty Blue, Blackcurrant, Smokey Black
Other
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
Floors
SleepYes
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
GPS
Running features
Swimming features
Smartphone notifications
Other Inactivity alert
Links 
View onAmazon | Best Buy | eBay
Amazon US rating3.7 out of 5 stars
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