Belun® Ring

People suffering from sleep apnea will stop breathing during sleep.
It may occur hundreds of times every night, each time lasting from 10 seconds to several minutes.

Shed light on your sleep


Founded in 2016, Belun Technology is headquartered in Hong Kong. It was formed by a group of medical-device researchers with experience in AI, product development, and medical quality management.

Working closely with medical experts in sleep medicine, cardiology, psychology, and psychiatry in US, Hong Kong and Taiwan, Belun Technology is dedicated to providing easy-to-use medical-grade and evidence-based solutions.

#Sleep Apnea #Blood oxygen level #Stress #Motions

What is the Belun® Ring?

Belun Ring is a portal sleep device that helps to manage your sleep health.

FDA Approved

A medical-grade, wearable device allows users to manage their sleep health at home with sleep-lab quality.

Accurate and reliable

The accuracy of the sleep apnea report is as high as 90%.

Simple to use

Users need only to wear the ring on a finger while asleep.

Measure at home

Use the ring at home rather than spending nights in a sleep clinic.

AI and cloud technology

The data collected is uploaded to Belun's cloud-based, proprietary, artificial intelligence system, where it allows physicians and consumers to non-invasively measure various health data.


Light (only 10 grams), radiation-free, and ergonomically designed, the ring is comfortable and unobtrusive enough to be worn continuously during sleep.

Ring sizes

The ring is available in six different sizes.

What does Belun® Ring do?

Put the ring on before sleep.

A sleep report will be generated automatically in the morning, displaying a sleep apnea risk assessment with respiratory event index (REI), autonomous nervous response (mental stress), and sleep stages.

The Belun Ring helps you discover the quality of your sleep — at home, comfortably, by simply putting on your ring before sleep. You will uncover the mysteries of:

  • Risk of sleep apnea
  • Stress level
  • Sleep quality

The Belun Ring equips its users with information that empowers them to change their daily habits — such as activities, exercise, alcohol intake, and medication — to improve their sleep health.

Sleep Apnea Oxygen Rate Stress Motions

Centred on Wellness

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