Z79 Max Smartwatch: • 2 inch LCD screen.1 inch with automatic ignition by turning the wrist. Multifunction rotating crown. Quick access split screen. •Incoming call notification, you can answer and talk from the watch itself. With bluetooth marker. •Push notifications from apps such as WhatsApp, Facebook, Instagram, SMS, etc. •Weather information (App required). •Stopwatch, calculator, calendar, countdown, game, compass, altitude, ambient pressure, smartphone search, alarm, remote shutter for your smartphone camera, remote control of music playback on your phone, and the ability to play music audio from your watch. Access to the Siri and Ok Google voice assistant (check availability on your smartphone). •Multiple dials of various styles and interchangeable. ( App Required). Allows you to install backgrounds with your own photos. •Supported languages: English (default), Russian, Spanish, German, Italian, French, Portuguese, Polish, Greek, Turkish, Hebrew, Arabic, Indonesian, Vietnamese, Thai, Chinese, and Persian. •Includes USB charging cable, wireless. Includes silicone strap and metal strap. Health and fitness features: • Heart rate monitor, ECG, blood oxygen level, and blood pressure. •Pedometer with step, distance and calorie measurement. With lens rings. •Various sports modes, including walking, running, soccer, badminton, tennis, basketball, table tennis, cycling, climbing, skipping, and yoga. • Sedentary reminder and water reminder. •Sleep monitor, breathing exercises. System Requirements: Android 5.0 / iOS 9.0 or higher Bluetooth version: Dual, 5.1 and 3.0 Screen: 2.1 inch, touch. Resolution: 320x385px Battery: 460mAh Charging: Wireless RAM: 672KB ROM: 128MB Chip: JL7012F Waterproof rating: IP68, do not expose to condensation, hot showers, etc. 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 “RDFit” 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.