Pavlok
Tech specs 
Size3.6 x 3.6 x 1.8 cm
Material
ChargingMicro USB
BatteryRechargeable
Battery life3-5 days
Water-resistanceSplash proof
Weight100 grams
SensorAccelerometer, vibration motor
DisplayLED indicators
Screen size
ColorsBlack, Gray
Other
Activity tracking 
Steps
Distance
Calories
Activity
Floors
Sleep
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other The device is designed to breaks bad habits via haptic feedback. Pavlov uses vibration, beep, tap, and zap sensations to train your brain to dislike bad habits and prefer good ones.
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Amazon
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