features 1.28-inch screen, heart rate, blood pressure, sleep quality monitor, IP67 waterproof, and some other amazing advantages. You can directly talk and play music via BT. It’s not only a smart watch, but also a personal bodyguard. Features: 1.28in high-definition screen create stunning visual experience. Real-time heart rate monitoring for cycling, running and fitness, a nice supervisor to help you overcome plateaus and crush goals. Automatically monitor your sleep quality, helping you to get better sleep. Directly talk and play music via BT, free your hands. Smart notification like the incoming calls, messages, App notifications, sedentary, etc. IP67 waterproof protects your watch when washing your hands. Large-capacity rechargeable battery is adopted, standby time is up to 35 days. Working time is about 7 days when all functions is ready. You can customize the wallpapers as you like. Multifunctional: alarm clocks, remote control photography, stopwatch, sedentary reminder,blood pressure, find phone, etc.