hot sell connect health smart ring with blood pressure ecg heart rate fitness sleep tracker monitor for men android phone 2301A

5 Reasons for Choose
1 24/7 Real-time Heart Rate Tracker: J-Style 2301A smart health rings 24/7 continuous heart rate monitor.
2 Track daily activitie s: More than 54 sports mode for options.
3 5 ATM professional water resistance: For swimming, showering, snorkeling and rain.
4 High Precise Blood Oxygen Sensor: Track your oxygen levels through out the day for a better healthier exercise, this will help improve endurance and breathing throughout your day and when using workout equipment.
5 Body Temperature, Blood Pressure, HRV & Stress Monitor: J-Style smart rings can monitor the user's activity, start automatic measurement and sport data.

ln stock! Send out in 24 hours, click" Contact Supplier" and pay directly!
Product Description
Product included:
-SpO2, Body Temperature Smart Rings
-wireless charger box
-User manual


1) 19+ years of OEM/ODM experience 2) One-stop R&D solution including ID, MD, Firmware, Application, Prototyping and Moulding together 3) In-house production manufacture from Semi-products to fully assembled finished products 4) Algorithm & Application development 5) Quick turn prototype & high volume manufacture 6) Professional engineer teams offer technical support once required 7) Specified QC department controls quality & after-sales service 8) Medical approved factory by ISO9001, ISO13485, ISO14001, Sedex, BSCI, etc.
SDK/API are available for App integration.

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