Details Brand Fitbit Model One Battery Life 2 weeks Use Tracking Latest Version Yes Key FeaturesComfortabilitySizeAccessoriesStyleActivitiesBasic FeaturesAdvanced FeaturesConnectivityEase of UsePower SourceAccuracyFaceBandAppsSizes AvailableDurabilityPriceBottom Line Key Features Key Features • Tracks activities all day from steps, distance, calories burned, floors climbed, and active minutes• Syncs your stats automatically to your phone, tablet or computer• Displays daily stats and clock on the OLED display• Can clip to the wearer's pocket, belt, or bra• Tracks how well you sleep,...

Details Brand Garmin Model Vivofit 4 Battery Life 1 year Use Tracking Latest Version Yes Key FeaturesComfortabilitySizeAccessoriesStyleActivitiesBasic FeaturesAdvanced FeaturesConnectivityEase of UsePower SourceAccuracyFaceBandAppsDurabilityPriceBottom Line Key Features Key Features • Two standard band sizes: small/medium and Large• Offered in black, white and speckle• 1 year of battery life• Move IQ technology develops smart goals after learning about your activity level• Face display is visible in bright sunlight• Customizable face colors, fonts, phrases, and display options• Comes with...