WaterFi
Tech specs 
Size3.86 x 4.03 x 2.22 cm
MaterialHigh grade silicone and plastic
ChargingYes
Battery250 mAh lithium polymer
Battery lifeup to 13 hours
Water-resistanceIPX8, up to 30 feet underwater indefinitely
Weight28 grams
Sensor9 axis IMU (Inertial Measurement Unit)
Display3 color LED
Screen size
Colors
OtherStores up to 50 workouts
Activity tracking 
Steps
Distance
Calories burned
Activity
Floors
Sleep
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming featuresLap, stroke and breath count, calories burned, lap and rest times, pace, stroke type and swim distance.
Other
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Amazon
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