id115 bluetooth waterproof sport wristband pedometer sleep monitor smart watch smart bracelet universal android ios

description: do you know how many steps have you take, how long have you run, how many calories have you take per day, whether is healthy of your body? the smart bracelet helps you know yourself clearly. besides, you will not miss any important information when your mobile is not around you. to live a healthy life, buy it for yourself and your parents and friends features: sleep monitoring: intelligent monitoring your sleep quality, so that you can know whether your sleep quality is good or