J-style Rechargeable OLED Display Item 1638 fitness tracker smart wristband

J-style Rechargeable OLED Display Item 1638 fitness tracker smart wristbandte  JA-1638

J-style JA-1638 is our private model fitness tracker
It is a amazing wirstband pedometer by tracking your all daily life active like steps taken, distance traveled, calories burned,measure heart reta,sync device data and vibration alarm etc.
Monitor tell how long and how well you sleep. Help you to know yourself's health situation better, and make a plan for your physical exercises so that you can have a more
healthy body and happy life.

Functions and Features of J style fitness tracker:

A.actitivty Tracker    ntinuing heart rate monitor   C.sleep monitor   D.step/distance/calorie counter

E.call & message reminder     F.customized alarm

Compared with the heart rate model from our competitors, Our model has the following advantage:

5 ranges for heart value for exercise guidance: warm up, fat burning, aerobics, anerobics, strenuous exercise
=>With continuous heart rate
=>With heart rate history data
=>day tracking: step counting, distance, calories
=>remind you if you have an incoming call or SMS or email
=>sleep monitoring: sleep time and sleep quality minitor
=>clock alarm: setting clock. remind with a silent vibration
=>fitness information sharing

Specifecation of J style fitness tracker:

--Battery: 90mAh Lithium polymer rechargeable battery ,about 7 days using, 15 days standby
--Display: 0.91’’ OLED with touch screen with high precise performance
--Data Memory: 30 days

--USB charging scradle
--Low battery consumption
--Waterproof IPX67
--Time display as a watch

--Continuing Heart Rate motor 
--Call notification & Massage Reminder

--With heart rate history data
--day tracking: step counting, distance, calories
--sleep monitoring: sleep time and sleep quality minitor
--clock alarm: setting clock. remind with a silent vibration
--Ultra low power consumption with Latested BLE 4.0 for data transfer
--Online data sync through smartphone or tablet with ios or andriod system

--Bosch 3D acceleration sensor with 360 degree high sensitivity to track every imperceptible movement

--Scratch-proof & abrasion-resistant and waterproof housing, environment friendly
--Compete with your friends and share your performance online, enjoy the pleasure of your daily activities.

 Display of J-style fitness tracker:
- Time, Date, Battery Indicator
- Calories Burned
- Walking Distance
- Walking Steps
- Activity time
- The Exercise Goal
- Heart rate value
- Enter into sleep mode automatically

How to Operation APP ?

1. Download the application named "J-Style Heart" from the Apple
Store or Google Play and install into your smart phone .
2. Start using the mobile app with your Heart Rate Monior
3. Go to “ Personal Setting ” to select your Heart Rate Monitor in the
searching list by click “ About Device ”