If you're passionate about computers and electronics, if you're on the cutting edge of technology and no detail escapes you, buy Amazfit ACTIVE Smart Watch Black 1.75" at the best price. Plug-in product: YesSocket type: EUType of watch: SmartwatchFeatures: TouchscreenAccelerometerBuilt-in speakersWearable computerBuilt-in microphoneSMS5 atmCall and message notificationsMultisportGeomagnetic sensorBlood oxygen level sensorFunctions: Sleep monitorHeart rate monitorConnectivity: BluetoothGPSBluetooth 5.2Bluetooth Low EnergyBracelet color: BlackBattery capacity: 300 mAhDial color: BlackAccelerometer: YesType: Vibratory TensiometerColor: BlackMaterial: SiliconeBattery type: Built-inRechargeable lithium batteryShape: RectangularApprox. charging time: 2 hoursCamera/Approx.Approx. charging time: 2 hoursCamera/Photo camera: NoTechnology: AMOLEWireless charger: YesCapacity: 300 mAhApprox. operating time: 336 hoursBattery operated: 1 Polímero de litioApprox. dimensions: 20 mmDisplay: 1.75 "Resolution: 390 x 450