C.Y activity tracker!

This app requires a J-Style BLE Activity Tracker and iphone 4s or newer. Get your J-Style device from Joint Chinese Ltd with website www.jointchinese.com or www.jointcorp.cn Get Active, Live Healthy, Sleep better, Stay Motivated J-Style is the most accurate activity tracker that helps you to monitor your daily activity and sleep quality. Use J-Style Pro App to access the following features:- My J-Style Pro: to set your personal info like Gender, Height, Weight, Stride length, Age and Personal goal- Activity Monitor: Check your activity progress like steps, calories, distance, activity time, daily goal.- Sleep Monitor: Check how much deep you sleep and how many hours for effective sleeping- Progress: Check the history activity data and make comparison to help yourself to improve