If you're passionate about computers and electronics, if you're on the cutting edge of technology and no detail escapes you, buy Oppo Band 2 1.57" Blue/White smartwatch at the best price. Type: SmartwatchActivity wristbandWatch type: SmartwatchProduct plug-in: YesScreen: 1.57 "Plug type: EU plugFunctions: PedometerSleep monitorHeart rate monitorCharging time approx.1 hourCountry / region of manufacture: ChinaMaterial: SiliconeFeatures: Color screenTouch screenWater resistantOptical sensor5 atmMultisportBlood oxygen level sensorConnections: USB-CConnectivity: BluetoothBluetooth 5.2Operating system: AndroidPower supply: BatteryTechnology: AMOLEDWireless charger: YesWater resistant: 50 mNot included: Wi-FiColor: Blue/WhiteShape factor: Rectangular