High-quality color screen: 1.22-inch IPS high-definition color display, 240*240 high-resolution, ultra-clear display effect, giving you a different visual experience. The mirror surface is made of spherical tempered glass, and the outer shell is made of zinc alloy. It is scratch-resistant and sturdy. Exercise and health features: 24-hour heart rate monitoring, blood pressure monitoring, exercise mode (pedometer, calorie burning, mileage), sleep quality monitoring, sedentary reminders, etc. IP67 waterproof technology: The surface of this smart watch is very waterproof, rainproof and sweatproof, no need to disassemble, it is very suitable for sports and outdoor sports enthusiasts. But please do not use this smart bracelet for hot water baths. High-quality battery capacity and more features: 120mAH low-power battery capacity, clip-on charging, convenient and fast. More features: information push (Caller ID, SMS, Ins, Skype, Facebook, etc.), mobile bright screen, smart anti-lost, shake photos and so on. APP Compatibility: This smart watch is compatible with most smartphones, Android 4.4 and above, iOS 9.0 and above