Ultrahuman Ring AIR Size 7 - World’s Lightest Sleep-Tracking Wearable - Space Silver
Ultrahuman Ring AIR Size 7 - World’s Lightest Sleep-Tracking Wearable - Space Silver
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Ultrahuman

Ultrahuman Ring AIR Size 7 - World’s Lightest Sleep-Tracking Wearable - Space Silver

1,455 ratings
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Key item features

  • Precise Sizing: Requires prior purchase of an Ultrahuman Sizing Kit for accurate fit, with 10 available sizes ranging from 5-14.
  • Advanced Sleep: Functions as a dedicated sleep tracker, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness stages, along with actionable improvement steps.
  • Health Investment: Eligible for HSA/FSA, facilitating health-related investments.
  • Active Movement: Features a 'Movement Index' to encourage non-exercise energy usage, tracking steps, workouts, and calories, with a dedicated Workout Mode for heart rate monitoring.
  • Comfortable Design: Boasts a notch-less, ultra-thin design with a smooth inner shell, weighing only 2.4 grams, making it the lightest smart ring.
  • Comprehensive Monitoring: Monitors sleep, movement, heart rate, heart rate variability, and skin temperature for precise performance insights.
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Customer ratings & reviews

4.3 out of 5 stars
stars
1,455 ratings1,167 reviews
How item rating is calculated
  1. 5 stars61% (886)
  2. 4 stars23% (330)
  3. 3 stars6% (92)
  4. 2 stars2% (34)
  5. 1 star8% (113)

Reviews summary

Pros

  • : Provides in-depth information on various health metrics.
  • : Designed for all-day and night wear.
  • : Features a lightweight and compact build.
  • : Provides detailed insights into sleep cycles, including rem, deep, and light sleep phases.
  • : Device reports precise sleep, recovery, activity stats.

Neutral

  • : Offers in-depth insights, but can be overwhelming and glitchy.
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Showing 1-3 of 1,167 reviews

Aug 1, 2025
Reviewer name: Chivess92
5 out of 5 stars
5 out of 5 stars review

Geweldige ring voor slaaptracking

[This review was collected as part of a promotion.] Ik draag de Human Air ring nu al ruim 2,5 maand en ben er ontzettend tevreden mee. Vooral het slaapgedeelte is voor mij een echte meerwaarde: ik krijg inzicht in hoe ik slaap en merk dat ik hierdoor bewuster bezig ben met mijn rust. De ring zit comfortabel, ook 's nachts merk ik bijna niet dat ik hem draag. Daarnaast is de app overzichtelijk en gebruiksvriendelijk. Kortom: een aanrader voor iedereen die zijn slaap en gezondheid beter wil monitoren!

Review from Ultrahuman
Helpful?53BKLX5PN5HC5211522596
Aug 8, 2025
Reviewer name: NiaB
5 out of 5 stars
5 out of 5 stars review

Monitoring sleep well and heartbeat rate!

[This review was collected as part of a promotion.] I bought this ring for two months ago. My career is quite stressful and sit for long time. This ring can help me to improve my health by reminding moving, controlling caffeine consumption, and relaxing from stress. It has programs for breathing meditation that interesting. I love this ring.

Review from Ultrahuman
Helpful?53BKLX5PN5HC5211522596
Dec 6, 2025
Reviewer name: Shane
Top Reviewer
Item details
Ring size: 5
Color: Raw Titanium
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great tracker. No monthly fees.

Great tracking. Excellent sleep tracking. Very light. No monthly charges like competitors

Helpful?53BKLX5PN5HC5211522596
Price when purchased online
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