ET580 Smartwatch: • 2.AMOLED screen.04-inch Super Retina, fully touchscreen with automatic power-on when you turn your wrist. •Bluetooth Calls: Incoming call notification, you can answer, reject and talk from the watch itself. SOS emergency call mode (smartphone connected required). •Push notifications from apps such as WhatsApp, Facebook, Instagram, SMS, etc. •Stopwatch, timer, Bluetooth music control, game, SOS alert, calculator, smartphone camera remote shutter. Access to the Siri and Ok Google voice assistant (check availability on your smartphone). •Multiple dials of various styles and interchangeable. ( App Required). •Weather information (App required). •Languages available on the smartwatch: English, Japanese, Russian, German, Spanish, Italian, French, Portuguese, Korean, Traditional Chinese. •Includes magnetic USB charging cable. Sports and health functions: • Heart rate monitor, ECG function, noninvasive blood glucose measurement, blood composition measurement (uric acid and lipids), blood oxygen, and blood pressure. Includes chest strap for more accurate heart rate/ECG measurements. •Body temperature monitor (thermometer); women's health (menstrual tracking). •Body composition monitor BMI, body fat measurement, HRV function, AI medical diagnosis. •Pedometer with step, distance and calorie measurement. •A wide variety of sports modes, such as: walking, running, football, tennis, basketball, cycling, etc. Includes machine sports modes, fitness sports, strength sports and dozens of other sports (+100 modes). •Sedentary lifestyle warning, breathing exercises. •Sleep monitor. System Requirements: Android 4.4 / iOS 9.0 or higher CPU: 7013A 2.04-inch Super Retina display with 368 x 448 pixels, AMOLED Bluetooth: 5.2 Lithium polymer battery: 380mAh Battery life: 3 to 5 days, generally depending on usage. Standby time: +20 days Charging time: 3-4 hours Vibration: Yes Sealing: IP68, do not expose to condensation, bathing, sauna, etc. Gravity Sensor: KXTJ3-1057 ECG Chip: VP555ER PPG Chip: Dual PD-VP555ER ABS, PC, Metal Alloy, 316 Stainless Steel, Silicone For the smartwatch to work, you need to download a free app for synchronization. To do this: • Scan the QR code included in the instruction manual and download the app. •You can also download the “H Band” app directly from the Google Play Store (Android) or App Store (iOS). •Once downloaded and installed, open it and accept all requested permissions; sync the smartwatch with your mobile phone via Bluetooth using the app. •Images shown in photos may contain menu screens and wallpapers that differ from the final product due to future updates. In no case will they lose announced functions.