Jawbone UP2
Tech specs 
Size220 mm x 11.5 mm x 3.0 - 8.5
MaterialMedical-grade hypoallergenic TPU rubber (strap), anodized aluminum (casing), TiN coated stainless steel (clasp)
ChargingMagnetic USB cable
BatteryRechargeable lithium polymer, 38 mAh battery
Battery lifeUp to 7 days
Water-resistanceSplash resistant
Weight25 grams
Sensor3-axis accelerometer
DisplayThree single-color LEDs, Blue for sleep, orange for activity, and white for notifications
Screen size
ColorsVarious
Other
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
Floors
SleepYes
Heart rate
Vo2Max
UV exposure
Skin temperature
Galvanic skin response
GPS
Running features
Swimming features
Smartphone notifications
Other
Links 
View onAmazon | eBay
Amazon US rating3.1 out of 5 stars
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