NKM2032 User Manual1, Quick Start1.1 Warning EXCLUSION / LIMITATION OF LIABILITY. This product is designed for NON-PROFESSIONAL use. Itshould not be used for medical purposes. The brand is not responsible for any incorrect reading as well as itsconsequences.1.2 Equipment requirementsSupport Android 5.1,IOS8.0 BT 4.0 and above.2, Open Box and First time Quick Use.Open the box Take out the NKM2032 smart WatchCharge the Watch(First Time charge suggest 2 hours)Use Your mobile phone scan below QR Code and Downloadthe “Da Fit” APPBoth work for Android & IOSLong press 5 seconds turnon/off, short press back.Battery Charge