?Dynamic Heart Rate Detect and Sleep Monitor?This fitness tracker monitors dynamic heart rate, uploading the real time data of heartbeats to phone app.Also support automatic sleep monitoring,it records deep/light sleep, awake time and whole sleep time. All health data show as a chart,clearly acknowledge your physical fitness status at whole day.(The data only for reference,don't for medical use,data can't guarantee for 100% correct.It exists some error,please know.)
?Main functions and Band Size?Heart Rate Monitor,Blood Oxygen Monitor,Ambulatory Blood Pressure Monitor,Fatigue Index,Sleeping Monitor,Sports Pedometer,Calorie Consumption,Distance Calculation,Long Standby,Ultra Fast Charge,Remote Camera,Calls to remind,SMS Reminder,Sedentary Reminder,Alarm Reminder,data synchronization,Life Waterproof,etc. The band size fit for wrist from 5.7''-to 7.9''.
?Life Waterproof?The real IP67 waterproof level prevents sweat and rain, it can be relieved in activities such as washing hands and can be satisfied with daily use (Note:Although the waterproof level is IP67,but do not recommend swimming or diving for a very long time wear bracelet,keep under 1 meter water 30minutes.Do not touch warm water or hot water, not long soak in the water.)
?Compatibility and Services?Fitness Tracker compatible with iOS and Android system, support buletooth 4.0, for Samsung S3/S4/S5 Note2/Note3/Note4,IOS7.0 and above,Android 4.4 and above. If You Have Any Questions Before Purchasing OR For Any Reason You Are Not Satisfied, Please Feel Free To Contact Us Via Amazon with Your Order ID or Via" Help Desk" on Amazon Messaging Services for All Your Issues,Experience Our Friendly Support Team for Quick Solutions.
?Doweload Bracelet APP and Firmware upgrade?Users could use mobile phone to search and download the "Hero Band"APP via APP store/Goolg play OR scan QR code at user's manua. When mobile phone was connected with watch,click "Firmware upgrade''; If it upgrade failed, please wait 3 seconed or users need charge the bracelet and try it again. (This fitness bracelet also be a good Valentine's Day Gift for boyfriend/girlfriend.)