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
Stress & recovery
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 rating3.3 out of 5 stars
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