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

function : passometer function : fitness tracker function : sleep tracker function : message reminder function : call reminder function : remote control function : push message function : blood pressure function : alarm clock function : social media notifications function : calendar function : week function : heart rate tracker waterproof grade : life waterproof compatibility : all compatible language : english language : russian language : spanish language : portuguese