👍【Answer/Make Calls and AI Voice Assistant】Stay connected with family and friends anytime, anywhere with Blackview's built-in HiFi stereo speakers and microphone. Answer or make calls directly through the watch via Bluetooth. The "Da Fit" app stores multiple contacts and provides real-time notifications for incoming calls and messages, while the AI voice assistant can assist with quick help such as weather forecast and setting alarms. | 👍【DIY Watch Faces & 2 Pack Watch Straps】Personalize your watch face with your favorite photos, supplemented by over 100 watch face options. Constructed from special aluminum alloy material, it comes with two types of interchangeable watch straps - Nylon and Silicone, perfect for every occasion. | 👍【100+ Sports Modes】Track your daily activity with over 100 sports modes, including running, cycling, yoga, and football. Connect to GPS through the "Da Fit" app to record your training routes and fitness progress. | 👍【Monitor Health in Real Time】The fitness watch uses high-performance optical sensors to monitor dynamic heart rate in real-time, tracks sleep quality and stress levels to adjust your physical condition accordingly, and provides a detailed analysis report to help you achieve a healthier lifestyle. | 👍【More Smart Tools】Apart from the features mentioned above, this smartwatch also offers other useful daily functions such as smart notifications, music control, camera control, casual games, weather forecast, sedentary reminders, alarm clock, stopwatch, timer, etc. Compatible with most Android 6.0 and iOS 9.0 or above smartphones, it comes with a built-in large capacity battery of 350mAh, which ensures up to 7 days of use and approximately 30 days of standby with just 2 hours of charging. | 📞【2-Year Warranty】We provide a 2-year warranty and 24/7 lifetime tech support for a hassle-free purchase. Please reach out to us for any problems you encounter.