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 45 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: Built-inLitio IonConnectivity: BluetoothWi-FiGPSNFCGlonassBeiDouGalileoCompatible: SiriInternal memory: 64 GHeight: 45 mmShape: RectangularCamera/Photo camera: NoWireless charger: YesFM radio: NoWater resistant: 50 mFeatures: Heart rate monitorUSB connection: NoStrap: RemovableNot included: Mobile network connectionFlash memory: 64 MB