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Size before you buy.

Ultrahuman Ring sizes are different than standard ring sizes. Order a sizing kit or try on sample sizes in store to find your perfect fit.

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Overview

The Ultrahuman Ring Air in Space Silver, Size 7 is a lightweight titanium smart ring that tracks sleep, recovery, skin temperature, and movement, with personalized nudges in real time.
  • Up to 6 days of battery. Sleep Index, recovery, women's health, and a stimulant window recommender
  • No subscription — lifetime access to your data in the Ultrahuman app. Water-resistant to 330 ft
This description was generated by AI and reviewed for accuracy.

Ultrahuman Ring AIR Health, Sleep & Fitness Smart Ring - 6-Day Battery - Space Silver - Size 7

Model: UHRA-AS-07-BSBCA
Web Code: 18592581
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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Ring AIR
  • Ring AIR Charger
  • Type C to C Cable (1 m)
What You Need To Know
  • Sleep, recovery, and daily energy in a featherweight titanium ring — with no subscription and lifetime access to your data
  • Tracks Sleep Index, 24/7 heart rate, HRV, skin temperature, movement, recovery, and cycle insights
  • Lightweight enough for 24/7 wear, with personalized nudges that help you make healthier choices in real time
  • No subscription required — lifetime access to all your data, plus water-resistance to 330 feet
Sleep Index, Backed by Your Own Data
  • Reads overnight signals — sleep duration, resting heart rate, restfulness, and skin temperature — into a clear Sleep Index each morning
  • Over time, you'll see what helps (or hurts) your rest
  • PowerPlugs and the Phase Response Curve add deeper guidance for circadian rhythm, jet lag, and recovery
24/7 Health Signals + Smart Nudges
  • Tracks heart rate, HRV, skin temperature, movement, and recovery trends around the clock
  • Women's health features include cycle and pregnancy insights
  • Stimulant Window Recommender helps you time caffeine for better sleep
  • Personalized nudges show up in real time — not after the fact
Space-Grade Titanium, Built to Disappear
  • Crafted in space-grade titanium with a Tungsten Carbide Carbon coating — weighs just a few grams
  • Sits flush on your finger
  • Water-resistant to 330 feet — safe for swimming, showering, and everything in between
  • HSA/FSA eligible
  • Skin-friendly interior designed for comfortable 24/7 wear
Works With the Ultrahuman App — No Subscription
  • Pairs with the Ultrahuman App on iOS and Android
  • No membership fee — lifetime access to all your data, insights, and PowerPlugs
  • Add optional PowerPlugs anytime for deeper coaching on sleep, recovery, or specific goals
About This Variant: Space Silver, Size 7The Space Silver finish has a bright, polished look that pairs easily with both casual and dressier wear. Size 7 is a mid-range fit; even so, finger sizes change with temperature and time of day, so the Sizing Kit is the safest way to confirm before ordering.This description was generated by AI and reviewed for accuracy.
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Our Smart Ring Guide walks you through features, sizing tips, and what to expect.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.