Atlas Fitness Tracker 2
Tech specs 
Size10mm thick, and 30x45mm (1.1x1.8in), with an adjustable wristband that is 26mm wide
MaterialSilicone
ChargingMicro USB
Battery120mAh Lithium Polymer
Battery lifeUp to 7 hours.
Water-resistance30 metres
Weight50 grams
Sensor3-axis Accelerometer, 3-axis Gyroscope, Optical Heart Rate Sensor
DisplayWhite PM OLED Touchscreen
Screen size128 x 64 pixel resolution
ColorsBlack
Other
Activity tracking 
Steps
Distance
CaloriesYes
Activity
Floors
Sleep
Heart rateYes
Vo2Max
UV exposure
Skin temperature
Galvanic skin response
GPS
Running features
Swimming features
Smartphone notifications
Other Exercise detection, Rep counter (Atlas recognizes & coaches you thru 70+ exercises, recording what you did and how you performed). Create your own exercises - teach the tracker to recognise them.
Links 
View onAmazon
Amazon US rating3.7 out of 5 stars
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