SenceBand
Tech specs 
Size42 x 30 x 13 (W x L x H)
MaterialElectrodes are composed of sterling silver; rubber band; aluminum adjustable buckle
ChargingUSB
BatteryLi-ion 160 mAh
Battery life48+ hours
Water-resistanceIP64
Weight25 grams
SensorECG heart rate and heart rate variability sensor, accelerometer (through the app)
DisplayLED for notifications
Screen size
ColorsVarious
Other
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
Floors
Sleep
Heart rateYes
Vo2Max
Stress & recoveryYes
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other By analyzing Heart Rate Variability (HRV) the device is able to measure over 64 different emotions and simultaneously monitor the events that may trigger specific feelings.
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*SenceBand
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