NextStern™ M4 Smart Band Fitness Tracker Watch Heart Rate with Activity Tracker Waterproof Body Functions Like Steps Counter, Calorie Counter, Blood Pressure Heart Rate Monitor Touchscreen

Description

HOW TO USE 1. Please charge before use! After charging, the watch will automatically turn on! 2. After the watch is connected to the phone, the watch will automatically update to the time of the phone, the watch does not need to be set! 3. Do not use the smart bracelet in sea water, hot water or warm water! 4. Please scan the QR code on the user manual to download the app. How to connect the phone to the watch (1). Please download the mobile app (2). Start the watch,Start the phone Bluetooth (3). Enter the mobile app to find the Bluetooth connection device function (4). Connect the watch to your phone mobile app (5). After connecting, the watch can monitor various sports data normall M4 Fitness Smart band: If you're a fitness freak and love keeping a track of the calories burnt, sleep cycle, and heart rate, and then the M4 Smart Band is what you need. This smart band works as a heart rate tracker, fitness watch, and an activity tracker. M4 waterproof Smart fitness Band compatible with Bluetooth or Heart Rate Sensor. It is compatible to devices having Bluetooth version 4.0 and below in smartphones, Tablets and PC's and also support Android. Functions: 1.Heart Rate Monitor 2.Sedentary reminder 3.Calories 4.Time 5.Alarm 6.Anti-lost 7.Distance calculation 8.Step Monitor 10.Call Alert 11.Wrist sense Pre-requisites for use: Your mobile phone Bluetooth version must be Bluetooth 4.0 or higher Android version must be Android 4.3 or above. Working: To connect the smart band to mobile phone, you need to connect the current mobile successfully via Bluetooth.