FDA Cleared Wearable device allows you to comfortably check sleep health at home

About OSA

Obstructive sleep apnea (OSA) is a common and serious sleep disorder that an individual will stop breathing repeatedly during a night of sleep. Sleep apnea is caused by complete or partial blockage of the upper airway. People with this disorder involuntary pause in breathing during sleep for at least 10 seconds and shown in significant drop of blood oxygen saturation (SpO2).

Learn more about OSA

Our Product

Product Highlights

Accurate & Reliable

Clinical validated heart rate, pulse oximetery and stress for OSA* screening at home


Smooth, light and radiation-free design to minimize the interference during sleep

Easy to Use

Easy to wear and take off

Convenient & Reliable Data Transfer/Analysis

Allows authorized personnel to review the report and facilitates physician to evaluate your sleep health & effectiveness of treatments

How to Use?

Join Us

Belun Technology is formed by a group of experienced researchers who have been working on adapting self-developed patent technologies into home use medical devices. Combining expertise in sensor packaging, bio-medical signal processing and medical professions, Belun Technology is in the frontier of home screening tool for sleeping disorder and respiratory related diseases. Founded in 2016, belun Technology is dedicated to develop reliable medical devices and solutions allowing people to monitor and manage their health at home.

We seek all-stars who are passionate about making technology smarter than ever before.

Start your career here.

Let's Get In Touch!

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Are you locating in Hong Kong? Fill in this form and let us or our partners to contact you for details about conducting Belun Ring Sleep Quality Test.

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