Product details of S7 HR Smart Watch Heart Rate Blood Pressure Monitoring Bracelet 1.3 inch IPS color touch screen. Resolution 240 * 240 Action record: step, mileage, calorie consumption Multiple sports modes: running, skipping, etc. Health monitoring: sleep monitoring, heart rate measurement, real-time blood pressure measurement Smart reminder: alarm reminder, anti-lost reminder, phone reminder, information push notification display content (SMS / QQ / WeChat / Skype / Facebook / Twitter / Line / WhatsApp) Waterproof: IP67 waterproof grade (can be worn when washing hands or when it is raining, but not suitable for bathing. Hot water and salt water are forbidden.) Battery capacity: 170 mAh, standby time: about 30 days, charging time: about 3 hours, use time: 10 days (the actual time depends on whether the screen is always on and the frequency of use of the detection function). Mobile phone system requirements: support android4.0 and above, Apple IOS 9.0 and above, Bluetooth 4.0 Other features: multi-clock interface selection，remote camera，find mobile phone, long battery life, stopwatch, time display, weather forecast S7 HR Smart Watch Heart Rate Blood Pressure Monitoring Bracelet Pedometer Sleep Monitoring Bluetooth Waterproof Fitness Tracker Sport Wristband PK Mi Band 3 And Y7 Wristbands 1.3 inch IPS color touch screen. Resolution 240 * 240 Action record: step, mileage, calorie consumption Multiple sports modes: running, skipping, etc. Health monitoring: sleep monitoring, heart rate measurement, real-time blood pressure measurement Smart reminder: alarm reminder, anti-lost reminder, phone reminder, information push notification display content (SMS / QQ / WeChat / Skype / Facebook / Twitter / Line / WhatsApp) Waterproof: IP67 waterproof grade (can be worn when washing hands or when it is raining, but not suitable for bathing. Hot water and salt water are forbidden.) Battery capacity: 170 mAh, standby time: about 30 days, charging time: about 3 hours, use time: 10 days (the actual time depends on whether the screen is always on and the frequency of use of the detection function). Mobile phone system requirements: support android4.0 and above, Apple IOS 9.0 and above, Bluetooth 4.0 Other features: multi-clock interface selection，remote camera，find mobile phone, long battery life, stopwatch, time display, weather forecast Specifications of S7 HR Smart Watch Heart Rate Blood Pressure Monitoring Bracelet