smart bracelet m4 sport wristband fitnesstracker waterproof heartrate monitor with sleep monitor men watch for ios xiaomi

brand name : longet function : passometer function : fitness tracker function : sleep tracker function : message reminder function : call reminder function : blood pressure function : alarm clock function : social media notifications function : blood oxygen function : week function : heart rate tracker function : activity tracker waterproof grade : life waterproof compatibility : all compatible language : english touch screen : no screen type : color lcd band material : si̇li̇ca band detachable :