★★ Note: The measurement results of YZJ fitness tracker are for reference only and cannot be used for medical purposes.

★★ OS requirements: Android 4.4 and IOS 8.0 or above versions supported. (for smartphones only, not for PC, iPad or tablet)

★★ How to measure BP and HR？

Please put the fitness tracker on your hand and click on the interface to the blood pressure,stay for a little while,the blood pressure will appear. Similarly, measuring the heart rate is also the interface to click on the heart rate,stay for a little while,the heart rate will be displayed.

Function Instruction:

♛  time modes

♛  Sports record

♛  Calories mode

♛  Heart rate monitor

♛  Blood oxygen monitor

♛  Blood pressure monitor

♛  Sleep monitoring

♛  Call/Message/APP reminder

♛  Sedentary  alert

Specification : 

* Bluetooth Version: Bluetooth 4.0 or later 

* Bluetooth Transmission Distance: 10 Meters (33 feet) 

* Screen size: 0.96 inch 

* Screen type: OLED

* Battery type: Li Battery 

* Battery capacity: 80mAh 

* Material: upper casing: PC; strap: TPE 

* Working time:3-7days 

* Charging method: Built-in USB charging 

* Charging time: 1-2 hours 

* Weight: 0.81 Oz (23g) 

* Waterproof: IP67

Package :

1*Fitness Tracker

1*User manual  

Product Features

• 【Mulit-function Fitness Tracker】ip67 waterproof bracelet，eal-time heart rate monitor,blood pressure monitor,calories burnedsteps, distance traveled,call alert, message alert, alarm clock alert, sedentary alert,remote camera control,12hr/24hr，activity data sharing and so on, track your health so easy.
• 【BUILT-IN USB PLUG】 No need independent charger，only need to Take Off The Host, Plug Host USB Side Into PC or USB Charger, 2 Hours Charge for 7 Days Working Time.
• 【Color Screen】Using 0.96-inch IPS color screen， Bright and high-definition display provide clock interface in different colors and styles.Let the bracelet be no longer monotonous, health and fashion coexist.
• 【Compatibility】 The app requires iOS 8.0 & Android 4.4 and above with Bluetooth 4.0., install the App “Lefun Health” in your phone and pair the device from it. Check your personal health data from the App.
• 【WARRANTY AND SUPPORT】Risk free 100% money-back guarantee, 3 Months Replacement Warranty and life-time technical support.If you have any problems whatsoever with your purchase, simply contact us and we will take care of it.