h3 smart band heart rate monitor blood pressure sleep monitoring waterproof smart bracelet bluetooth 4.0 support android ios

h3 smart band heart rate monitor blood pressure sleep monitoring waterproof smart bracelet bluetooth 4.0 support android ios h3 bracelet specification functions with 0.96 inch tft screen 24 hours continue heart rate detection, blood pressure test,accurate sleep detection time / clock display, step, calories, distance, sleeping, camera, switch on/off display sport mode predict menstrual cycle intelligently sleep monitoring (sleep time, sleep quality, stay up late) call reminders, sms reminder...