If you're passionate about computers and electronics, if you're on the cutting edge of technology and no detail escapes you, buy Huawei Smart Watch 55028445 46 mm 1.43" Black at the best price. Battery life approx.336 hoursDisplay: 1.43 "Battery capacity: 455 mAhSize: 46 mmProduct plug-in: YesPlug-in type: EU plugFunctions: Sleep monitorColor displayHeart rate monitorType: TensiometerColor: BlackFeatures: Water resistantAccelerometerBuilt-in speakersTouch screenGyroscopeBuilt-in microphoneOptical sensor5 atm warrantyAutomaticGeomagnetic sensorBlood oxygen level sensorConnections: USBConnectivity: BluetoothGPSGlonassBeiDouGalileoBracelet material: SiliconeCase material: Stainless steelShape: RoundClosing type: BuckleGenre: UnisexCamera/Photo camera: NoTechnology: AMOLEDWireless charger: YesFM radio: NoWater resistant: 50 mNot included: Wi-FiMobile network connectionApprox. diam.Approx. diameter: 46 mmMovement type: QuartzUSB connection: NoIncludes: ChargerContains: User manualMaterial: plástico,acero inoxidableScreen diagonal (cm): 3,6 cm