Product Description: ID116 Smart Watch - The device can be turned on by holding the function button for more than 3 seconds when it is powered off. In the Bluetooth address interface of the bracelet, pressing and holding the 2 second wrist switch will shut down the phone. Pressing briefly will exit the shutdown page. The bracelet reset device clears all data stored in the bracelet, such as step counting. When the device is on, a short press of the function key will light up the screen. On the default clock page, pressing the function key briefly switches to different pages. If no operation is performed for five seconds, the screen defaults back to the original clock interface. The heart rate three-in-one interface can be accessed by switching to it from any page, and it starts a 60-second timer automatically shutting off the screen when finished (heart rate and blood pressure require hardware support). Key Functions of the Bracelet Include: Clock Interface, Step Counting, Distance, Calorie Multi Mode: Running mode, Skipping rope mode, sit-up mode, sleep mode, Information mode. APP Function and Setting: 1. Personal Information: age, height, weight Please set your personal information after entering the app. 2. Application push: Incoming call, SMS notification, Other Remainder (like We Chat, QQ, Facebook, twitter, Whatsapp etc.), Alarm setting, looking for bracelet, Remote photography, sedentary remainder, Raise your hand to brighten, Do not disturb mode, Device reset, Remove device. Basic parameters: Equipment type – smart wristband Vibration motor – support Operating temperature- -10C ~ 50C System requirements – iOS9.0 and above/Android 5.0 and above Type of battery – Lithium polymer Method of synchronization – Bluetooth4.0 Sensor – Low Power Acceleration Sensor NOTE: USB cable is not given because you can charge it directly via your Adapter, Any USB Port.