J-style Bluetooth Wrist Pedometer Watch Health Heart Rate Monitor Fitness Activity Tracker

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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Product name:
Heart Rate Monitor
Bosch 3D Acceleration Sensor
0.91'' OLED Touch Screen
ABS&PC for main device,silicone for wristband, ABS for charger
Main Function:
heart rate monitor,activity tracker,sleep monitor
30 days memory
Operation System:
Android and iOS
Lithium Rechargeable Battery 60mAh
J-style or customized service OEM OR ODM

J-style Bluetooth Heart Rate Monitor Wrist Pedometer Watch Health Fitness Activity Tracker With Sdk And Api  JA-1638


J-style JA-1638 is our private model Heart Rate Monitor Watch
It is a amazing heart rate monitor watch 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.

Product Description
Product J-style JA-1638 Heart Rate Monitor
Material ABS&PC for main device,silicone for wristband, ABS for charger

1) For android: android 4.3 and above

2) For IOS: IOS 7.0 and above

FeatureSDK Firmware Updated
Data SyncData synchronization to mobile app (J-style heart)
DisplayOLED 0.91' tounch screen display
Data Memory 30 days (saved every 15 minutes)
Battery90MA Lithium polymer rechargable battery
Water     proof level IP67 available for swimming

3-axis acceleration sensor with 360 degree high sensitivity to 

track every imperceptible movement

Functiona.Actitivty Tracker  b.continuous heart rate monitor   c.sleep monitor  d.step/distance/calorie counter  
e.call & message reminder  f.custmoize alarm
ColorBlue, Black,Red,Yellow etc. OEM color just only provide us your color Panton Number.

1*smart bracelet(built-in battery), 1*user manual 

1*charging line, 1*packing box

Functions and Features of J style Heart Rate Monitor:

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

E.call & message reminder     F.customized alarm


Compared with Heart Rate Monitor 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 Heart Rate Monitor:

--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 Heart Rate Monitor:
- 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 Of Heart Rate Monitor ?

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 ”



1 pcs heart rate monitor watch / 1 pcs usb charger / 1 pcs user manual / 1 pcs gift box


*carton size: 48x38x31cm
*G.W./CTN: 8.5kgs
*Or OEM follow customer's requirements


Standards of ISO9001, ISO13485, and ISO140001 and BSCI as well as FDA, CE, FCC, BQB certified


Company Information

Why choose Joint Chinese Group(J-style)?
As a professional manufacturer for Health, Beauty and Medical device, OEM & ODM projects development are our main business now.

Our R & D team:
- Technology support from Japan. Now 7 Japanese engineers work in our factory to provide us software programming and technology support.
- Over 15 Chinese engineers work together to realize a idea to a real product, responsible for such services like external industrial design, internal structure configuration, PCB layout and technique support during all process of ODM development process.

Our Facilities:
We have our all workshops for design to production, such as moulds making, plastic injection, CNC prototype making, Silk printing, Painting spray, SMT, Hardware making and final mass assembling line, which enable us to provide one-stop OEM & ODM services all in house.

Our Strategic Customer:
Thanks to our strong R&D team, our services are well received by such brand companies as YAMASA, CITIZEN, SEIKO, A&D, etc.


Our Services

 OEM/ODM Welcome!
- Product design, including structure and electronics (functions development)
- Application design for you
- Prototyping and testing for concept ideas
- Mold design and production
- Injection molding of components
- Product assembly
- Surface treatment and logo printing 


Shipment Detail

Delivery Time:
Neutral products normally 7-10days (below 1000pcs)
Branding products: sample 3-5days, mass order 15days (below 1000pcs)


Min. order:
Neutral item: 10PCS
Logo MOQ: 1000pcs
Box customization: 2000pcs


Smart watch Payment terms:
1.Payment:TT,Western Union,Paypal
2.Bulk order:30% deposits;70% balance before delivery
3.Sample fee:Can be returned


Shipping information:
Normally,we will deliver the sample products via international
express,such as DHL,Fedex,UPS.For bulk order,it will be delivered to customer by sea

Contact Us

Contact Instant (24 Hours On Line,Welcome Ask any Questions!)


Phone(whatsapp ID):+8615817684059