Skip to content

Belun Ring

Belun Ring

  • Product Code: C05RNG001
  • Availability: In Stock
  • HK$4,200.0


Founded by HKUST alumni Leung Lap Wai Lydia, who graduated from School of Engineering.

Winning is sleeping better! Award-winning Belun® Ring is an FDA 510(k) cleared Class II device that uncovers your sleep architecture.

Benefits from the AI data analysis:

The trends shown in the mobile apps provide you with knowledge about your sleep, empowering you to self-manage your health by improving habits that make your rest more productive, which means better recovery.  

Medical-grade wearable and AI sleep analysis. Size S / M / L available.


  • Small - US ring size 5, 6 and 7
  • Medium - US ring size 7, 8 and 9
  • Large - US ring size 9, 10 and 11

The Belun® Ring measures:

  • Sleep Score
  • Apnea Risk
  • Sleep Efficiency
  • Stress Level
  • Sleep stage: wake, REM Sleep and non-REM Sleep
  • Oxygen Saturation (SpO2)
  • Pulse Rate (PR)


Put the ring on before sleep.

A sleep report will be generated automatically in the morning, revealing your sleep apnea risk, sleep efficiency and stress level.

The Belun® Ring helps you discover the quality of your sleep — at home, comfortably, by simply putting on your ring before bedtime.

You will uncover the mysteries of:

  • Risk of sleep apnea
  • Sleep quality

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

The Belun® Ring’s report also enables professionals to evaluate how users’ daytime activities affect sleep quality and to review sleep health holistically and scientifically in an unprecedented way.

Belun Ring also offers “Home Sleep Test Service”. More information can be found from their website:

This item cannot be shipped to China.

Available Options