H80 Smartwatch with 20 sports modes. Heart rate, blood pressure, and oxygen monitor: • Incoming call alert. •Push notifications from apps such as WhatsApp, Facebook, Instagram, etc. •Automatic screen on when turning the wrist. •Weather information (App required). •Stopwatch, countdown, remote smartphone camera shutter, smartphone music control. Search for smartphone and watch. •Various dials of different styles, interchangeable and customizable. •Supported languages: Spanish, English, German, French, Italian, etc. Health Features: • Heart rate, blood pressure, and blood oxygen monitoring. •Pedometer with step, distance and calorie measurement. •Multi-sport mode with over 20 modes, including indoor and outdoor sports and activities, such as treadmill, elliptical, yoga, fitness, soccer, basketball, etc. •Sedentary lifestyle warning. •Sleep monitor. •Female menstrual cycle reminder. Screen: 1.47 inches, 172 x 320 px Battery: 180 mAh Approximate battery life: up to 6 days. Standby time: up to 15 days. Supported systems: Android 5.0 and above, iOS 9.0 and above. Bluetooth: 5.0 Chip: Realtek 8762DK Sealing: IP67 (do not use in the shower or bathe with it, do not submerge it, do not expose it 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.