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 Black 45 mm at the best price. Type: SmartwatchWatch type: SmartwatchProduct plug-in: YesSocket type: EU plugColor: BlackMaterial: AluminumFeatures: AccelerometerBuilt-in speakersTouchscreenAmbient light sensorGyroscopeAltimeterBuilt-in microphoneSleep monitorMobile network connectionMagnetic chargingBlood oxygen level sensorDisplay with rounded cornersConnections: 4GBattery type: IntegratedLitio IonConnectivity: BluetoothWi-FiGPSNFCGlonassBeiDouGalileoLTECompatible: SiriInternal memory: 64 GHeight: 45 mmShape: RectangularCamera/Photo camera: NoWireless charger: YesFM radio: NoWater resistant: 50 mFeatures: Heart rate monitorUSB connection: NoStrap: RemovableFlash memory: 64 MB