C20 waterproof smartwatch, 1.7-inch screen and 24 sports modes. Heart rate and O2 monitor. •Incoming call notification. •Push notifications from apps such as WhatsApp, Facebook, Instagram, etc. and SMS. •Stopwatch, countdown, alarm, remote smartphone camera shutter, remote music playback control. •Weather information (via App). •Various dials of different styles, interchangeable. Vibration alerts. •Supported languages: Spanish, English, Italian, Portuguese, German, French, etc. •Includes magnetic USB charging cable. Health Features: • Heart rate, blood pressure, and blood oxygen monitoring. •Pedometer with step, distance and calorie measurement. •24 sports modes: walking, running, cycling, basketball, football, badminton, skipping, swimming, etc. •Sleep monitor. •Exercise to improve breathing. Screen: 1.71 inches, 280x320 px Battery: 380 mAh Compatible systems: Android 4.4+ and iOS 9.0+ Bluetooth: 5.0 Chip: RealTek RTL8762DT Sealing: IP68. Do not use in the shower or expose to steam, hot water, or condensation. ABS, metal alloy, TPU. 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.