Fitbit Inspire
Tech specs 
SizeDevice Dimensions: 16.2 mm x 12.6 mm x 37 mm (W x D x L)
Small band: Fits wrists 140 mm - 180 mm in circumference
Large band: Fits wrists 180 mm - 220 mm in circumference
MaterialThe housing is plastic. The classic band is made of a premium, comfortable silicone similar to that used in many sport watches, and the buckle is made of anodized aluminum.
ChargingUSB
BatteryLithium-polymer
Battery lifeup to 5 days. Charge time (0-100%): Two hours.
Water-resistanceup to 50 metres (swim-proof) - 5 ATM
Weight
Sensor3-axis accelerometer, vibration motor
DisplayGreyscale OLED Touchscreen
Screen size37 x 16mm
ColorsComes in a number of different versions
Other- Saves 7 days of detailed motion data – minute by minute
- Saves daily totals for the last 30 days
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
SleepYes
Heart rate
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other
Non-fitness functions 
Smartphone notificationsCall, text and calendar notifications
On-board music storage
Connected pay
LTE
Links 
Affiliate link*Amazon | Fitbit
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