1.5 Inch HD Touch Screen, Customised DialsChronus military smartwatch boasts a 1.5-inch HD touch screen and over 200 customizable dials through the 'Da Fit' app, allowing you to personalize your watch face and wallpaper.High Quality Design, Large 800mAh Battery Crafted from high-quality materials, it's IP68 waterproof, shockproof, and can withstand extreme temperatures from -20C to 60C. The large 800mAh battery ensures 7-10 days of usage on a 4-hour charge.Bluetooth Call, Smart ReminderEquipped with Bluetooth BLE5.0+BT3.0 technology, it offers fast and stable connections. You can make and receive calls, receive messages from popular social apps, and get notified via vibration.Health Monitoring, Sleep Tracking The watch provides 24/7 monitoring of heart rate, blood pressure, and blood oxygen levels. Sleep tracking helps improve sleep quality by recording deep sleep, light sleep, and REM cycles.Scientific Training, Practical FunctionsWith over 120 sports modes, including cycling, hiking, and football, it tracks your heart rate, calories, and distance for scientific training. It also features an AI voice assistant, weather updates, music control, and practical tools like an alarm clock and calendar.Excellent after-sales serviceWe focus on customer service, so we have high-quality after-sales service, if you have any questions about our products or purchases, please feel free to contact us, we will reply to your message within 24 hours and help you solve the problem.