Costbuys Bluetooth Smart Watch Men Women Heart Rate Monitor Blood Pressure Fitness Tracker Smartwatch Sport Watch for android +BOX - Blue


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description 1. open the manual 2. there is a qr code on the manual. 3. scan qr code to download app 4. link needs to open bluetooth and gps 0.9 inch oled large screen touch button real time static dynamic heart rate monitoring exercise and fitness...

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