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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: J-Style
  • Model Number: JA-1638
  • Product name: Personal Health Care Device Heart Rate Monitor Tracker
  • Function: heart rate monitor,step counter,sleep monitor
  • Style: Step Counter
  • Certificate: CE, RoHS, FCC, BQB,, SGS
  • Detection system: 3D acceleration sensor from BOSCH Germany
  • Heart Rate: Real-time heart rate monitoring
  • Memory: 30 days memory
  • Battery: Lithium Rechargeable Battery 60mAh
  • OS: iOS/Android
  • OEM/ODM: customize the functions available for you

Packaging & Delivery

Packaging Details Personal Health Care Device Heart Rate Monitor Tracker
1pc Heart Rate Monitor Tracker packaged with a gift box
Qty/ Carton (pcs): 100
Size/Carton (cm): 48*37*31.5
G.W/CTN (kg): 8.5
Delivery Time 10~30 working days after deposit received

Personal Health Care Device Heart Rate Monitor Tracker

Product Description
  •  Heart rate monitor tracker- heart rate monitoring, pedometer, calories record, sleep quality monitoring, sync date and time, call&message reminder.etc.
  • Accurate Heart Rate Monito - newest HR sensor adopted for accurate and effective heart rate monitoring. 24-hour real time heart rate monitor with HR chart make your fitness conditions visual on J-Style APP.
  • Responsive OLED Touch Screen - by tapping/sliding on the OLED touch screen, you can easily read the steps counting, heart rate, calories, time, date, messages, etc.

Basic Specifications:



Product Name

Heart Rate Monitor Tracker


ABS & PC for main device,Silicone for wristband,ABS for charger


For IOS7.0 and above & Android 4.3 and above


OLED 0.91” touch screen display


3D accelerometer sensor from BOSCH Germany

Data Memory

30 days,data saved in every 15 minutes


Rechargeable Lithium Battery(110mAh)

Water Proof Level



Step Counter.

Monitor heart rate.

Monitor sleep quality and time.

Step,calories,distance,activity time,daily goal.

Call&message reminder.

Customized alarm



Blue,Black,Yellow,Red.OEM is available just need the Panton number.




Packaging & Shipping

 Packaging List:

1*Step Counter(built-in battery)


1*Charging line

1*User manual


Our Services


Total R&D Engineers: 40+

Industrial Designer

Mechanism Engineers

Electronic Engineers

Firmware Engineers

App Developers

Web Developers

Testing Engineers




New Product Development Procedures


3D Industrial Design

3D Mechanism Design

Circuit design & PCB layout

Firmware Programming

App development

Prototype Making

Moulds making

Pilot run

Production & Packaging



Company Information



-In 2004, Joint Chinese Ltd established as a trading company. (Japanese Boss & Mr. Yan, Main market: Japan)


-In 2007, start the production as a factory and Dream & Widen Co., Ltd was set up for assembling

Main market: Japan

Main Products:  Pedometers & Medical Devices & Beauty Devices

Starts from one injection machine to all departments like injection, SMT, Silk Print, Painting Spray, final assembling & packaging


-In 2012, expand new markets outside of Japan, New Product line: Wearables ( activity tracker) 

NFC, USB, BLE activity tracker, etc

-In 2013, establish Yiyang Dream & Widen Co., Ltd, a new production base in HUNAN province, focus on Medical device brand

-In 2014, New product line: Smart Water bottle & Water Purifying devices

-In Jan 2015, Shenzhen Bao’an R&D Base Established

-In March 2016, Yiyang Factory start production

-In March 2016, new product line: Smart Thermometer

-In August 2016, New product line: Smart Toothbrush

-In Feb 2017, new prouct line: sleep monitor; personal-care IOT, new technology like Lora, Air purifying devices



Production Line:



 Q1: How do we place an order?

A1: Please kindly send us an email specifying the item, quantity, color or other specification to place an order. 



Q2: What's the delivery time?

A2: The delivery time for sample order is normally 3-7 working days after full payment received.

       For bulk order, it's about 10~30 working days after deposit received.


Q3: How would the goods be shipped?

A3: For small quantity order , we ship via DHL, UPS, TNT, Fedex express.

       For bulk order, by air and by sea normally. 


Q4: Is OEM/ODM available?

A4: Yes, it's available. For details, please kindly contact the sales persons.


Q5:How long for the warranty? 

A5: 12 months, except man-made damage.


 Contact sales:

 Name: Cherry Wang                                         TM: cn1520478922jwwn                          What's app: +8615813862352                   Skype: Cherry-Joint


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The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $175,000
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