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 Red 45 mm at the best price. Type: SmartwatchColor: RedMaterial: AluminumFeatures: AccelerometerBuilt-in speakersTouchscreenAmbient light sensorGyroscopeAltimeterBuilt-in microphoneSleep monitorMobile network connectionMagnetic chargingBlood oxygen level sensorDisplay with rounded cornersConnections: 4GBattery type: IntegratedLitio IonConnectivity: BluetoothWi-FiGPSNFCGlonassBeiDouGalileoLTECompatible: SiriBody: 45 mmShape: RectangularCamera/Photo camera: NoWireless charger: YesFM radio: NoWater resistant: 50 mFunctions: Heart rate monitorUSB connection: NoStrap: RemovableFlash memory: 64 MB