If you're passionate about computers and electronics, if you're on the cutting edge of technology and no detail escapes you, buy Apple Series 9 Smart Watch Blue Silver 41 mm at the best price. Type: SmartwatchColor: BlueSilverMaterial: AluminumFeatures: AccelerometerBuilt-in speakersTouchscreenAmbient light sensorGyroscopeAltimeterBuilt-in microphoneSleep monitorMagnetic chargeBlood oxygen level sensorDisplay with rounded cornersBattery type: IntegratedLitio IonConnectivity: BluetoothWi-FiGPSNFCGlonassBeiDouGalileoCompatible: SiriBody: 41 mmShape: RectangularCamera/Photo Camera: NoWireless Charger: YesFM Radio: NoWater Resistant: 50 mFunctions: Heart Rate MonitorUSB Connection: NoStrap: RemovableNot included: Mobile Network ConnectionFlash Memory: 64 MB