M4 Smart Watch With Heart Rate Tracker

Charging voltage 5V Current 1A-2.1A Charging time 2 hours-About standby time 7-15 days
All-day activity tracking: steps, calories burned, mileage, and heart rate.
Automatically Sleep monitoring: sleep time & sleep quality.
Smart reminder:call reminder, messaging push, sedentary reminder.
More features: phone search, remote camera shoot, stop watch.
Continuous heart rate monitor: Continuous, automatic heart rate tracking right on your wrist per second.
0.96" TFT color touch screen: HD screen, easy to read all fitness data.
Customizable clock faces
Bluetooth 4.0, compatible with Android 4.4 and above system, ios 8.0and above system.
Bracelet push support language: Chinese and English
APP support language: English, Chinese
USB direct charge(This smartband doesn't need a charging cable, just pull band out, you will find a USB interface.)
Package Included:
1* Smart bracelet
1* Manual

How to pair with your phone? 
Tip: Use the "Lefun Health" application instead of connecting to the device via Bluetooth directly

What are the features of this fitness watch? 
Sync date and time, pedometer, calorie counter, distance counter 
Sleep monitor, heart rate monitor, sphygmomanometer 
Phone \ SMS \ SNS reminder, find bracelets, sedentary reminder, alarm clock, 
Facebook reminder, Twiter reminder, WhatsApp reminder, Line reminder and so on