If you're passionate about computers and electronics, if you're on the cutting edge of technology and no detail escapes you, buy GARMIN Vivofit Jr. 3 Black smartwatch at the best price. Functions: PedometerClosing type: BuckleColor: BlackMaterial: SiliconeFeatures: AccelerometerColor screenTouch screenAdjustableWater resistantAlarmDistance traveled5 atmTimerConnectivity: BluetoothLanguage: SpanishPower supply: BatteryType: CR2025Activity wristbandBatteries included: YesGenre: UnisexCompatible: Android, iOSType of control: ButtonsAbout usable life.365 DaysShape factor: SquareScreen diagonal (cm): 5.1 cm