Smartwatch MX1. With notifications, heart rate, blood pressure and O2 monitoring, and sports modes. Submersible: • Incoming call notification. •Push notifications from apps such as WhatsApp, Facebook, Instagram, etc. and SMS. •Automatic screen on when turning the wrist. •Remote shutter release for smartphone camera. •Various dials of different styles, interchangeable and customizable. •Supported languages: Spanish, English, German, French, Italian, Portuguese, etc. •Includes magnetic USB charging cable. Health Features: • Heart rate, blood pressure, and blood oxygen monitoring. •Pedometer with step, distance and calorie measurement. •Multi-sport mode: cycling, swimming, running, hiking, walking, etc. Depending on the sport, it will analyze time, calories and distance. •Sedentary lifestyle warning. Screen: 1.28 inches, 240x240 px Battery: 200 mAh Approximate battery life: up to 7 days. Standby time: up to 30 days. Supported systems: Android 5.1 and above, iOS 8.0 and above. Bluetooth: 5.0 Chip: GR5515 Sealing: IP68 (do not expose to steam, hot water, or condensation) 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 “Da Fit” 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.