JA01 Smartwatch: • 1.43-inch high-resolution AMOLED touchscreen with automatic wake-up when you turn your wrist. •Bluetooth Calls: Incoming call notification, you can answer, reject and talk from the watch itself. With Bluetooth dialer. SOS call to predetermined number (needs to be connected via Bluetooth with App). •Push notifications from apps such as WhatsApp, Facebook, Instagram, SMS, etc. •Stopwatch, alarm, remote smartphone camera shutter, smartphone music control, games, NFC. 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). •Compatible with universal straps with 22mm Quick Release system. •Languages available on the smartwatch: English, Spanish, Italian, Portuguese, German, French, Russian, Japanese, Chinese, etc. •Includes magnetic USB charging base. Sports and health functions: • 24-hour heart rate monitoring (with live detection and alarm function), blood pressure, blood glucose, and blood oxygen independent and accurate. ECG electrocardiogram function. Non-invasive monitor of uric acid and blood lipids. •Body composition monitor, with indicators of % fat, BMI, muscle, subcutaneous fat, water, bone mass, etc. Body temperature monitor (thermometer). Ovulation period monitor. •Pedometer with step, distance and calorie measurement. •10 sport modes. •Sedentary lifestyle warning. •Sleep monitor. System Requirements: Android 4.4 / iOS 9.0 or higher CPU: JL AC7013A CPU 160MHz 640kb 1.43-inch AMOLED touchscreen 466x466 dpi Bluetooth: 5.1 + 3.0 dual 260 mAh pure cobalt lithium battery Vibration: Yes Memory: 64MB Sealing: IP67, do not expose to condensation, bathing, sauna, etc. Analog front-end chip: VP556ER Thermal NTC body temperature sensor Accelerometer: Rohm KXT3-1057 Blood oxygen sensor: VP556ER (Dual PD) Battery life: 7 to 10 days, typically depending on usage. Standby time: ±30 days Charging time: 3-4 hours ABS, metal alloy, 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 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.