H8 fashion smart bracelet HD colour screen weather forecast dynamic UI heart rate blood pressure health detection female bracelet Function With screen bracelet (0.96" IPS HD color screen) 24 hours continuous heart rate detection, blood pressure detection Time/clock display, pedometer, calorie, distance, sleep, photo, on/off display Multi-sport mode (running, walking, cycling, hiking, basketball, football, badminton, swimming) Sleep monitoring (sleep time, sleep quality, staying up late) Caller alert, SMS alert, QQ alert, WeChat alert, Skype,facebook,whatsApp alert Find your phone, find your bracelet Alarm clock/medication/meeting/sedentary/drinking reminder Heart rate and blood pressure measurement Remote photo taking (shake to take a photo) Exercise of friends and family, mutual checking of measurement data System requirements Android 4.4 and above, IOS 8.0 and above, support Bluetooth 4.0 Bluetooth version BLE 4.0 Main control chip NRF52832 Memory 64K (Flash 512K) PPG chip HRS 3300 Battery capacity 120 mA Motor Built-in, vibration alert Waterproof rating IP67 Sensors Three axis gravity sensor watch tracks your phone, so you'll never miss a call or message again. It vibrates to alert you if your phone receives a phone call, text message andThe ch for better track calories burn, optimize workouts and health trends that inspire you to make moves on your health and fitness goalsThe ch is compatible with smartphones that use IOS 8.0 / Android 4.4 or above, and Bluetooth 4.3The smart band also has alarm clock, stopwatch, sleep monitor, heart rate monitor, weather forecast, and pedometer functionsThe smart band automatically recognizes the heart rate zone, using advance sensor technology, combined with self-developed algorithms, low power consumption, high accuracy