Customer Reviews for Ultrahuman - Refurbished Excellent - Ring AIR - Smart Ring - Size Before You Buy - Size 6 - Bionic Gold - (2023)
Customer Rating
4
Comfortable fit, predictable battery life
on August 3, 2025
Posted by: mark
from Connecticut
Gender:Male
[This review was collected as part of a promotion.] I picked this up mainly for sleep tracking (I don't like to sleep with my Apple Watch). I changed the setting to max statistics (which uses the most battery) and just charging it when I get ready for bed or hop in the shower is enough to keep it going. At first I wasn't sure how accurate the data was (the first few days with it the ring said I was asleep while I was watching TV), but after a few days the accuracy improved. Then the first day time I got a cold it asked me the next morning, if I was feeling sick because my temperature was elevated and I had a horrible night of sleep!
I did wind up putting black electrical tape over most of the charging LED, that thing is bright enough to light up my entire room, even when the ring isn't connected to it. There's really no need for it to be illuminated when the ring isn't on it.
[This review was collected as part of a promotion.] I love the look and feel of the ring! I love how it tracks and feel that it is accurate. I would like the app to be more user friendly with calendars of workouts, periods, etc so I can easily see trends. I also would like the app to explain what each section means. The battery works well but I do need to charge it everyday.
[This review was collected as part of a promotion.] I bought this about 2 months ago and very glad I did. I get to see in-depth stats of my sleep which is the main reason I bought it. Love the tips and analysis the ring provides. The app is very clean and organized. The two things so far I don't love are the battery life and the ring material which scratches easily though less noticeable in the color I bought, titanium, than others I've or so I've heard. Other than those two, I love the ring!
[This review was collected as part of a promotion.] For a long time I was looking for something that would measure everything like a smartwatch. And I found something way better, and comfortable in use. Very user- friendly app and very accurate measurements/predictions.
[This review was collected as part of a promotion.] I bought this ring when I was looking for a smart ring to detect my activity especially my sleep and also my fitness. From some brands, I totally like this ultrahuman. Battery life is not the best but still enough to last for minimum 5 days. A bit expensive though but compared to the accuracy data it gives, it still worth it.
[This review was collected as part of a promotion.] Here’s a polished 5‑star review of the Ultrahuman Ring AIR:
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⭐️⭐️⭐️⭐️⭐️ I’ve been using the Ultrahuman Ring AIR for several weeks now, and I’m thoroughly impressed. It’s feather‑light (just ~2.4 g) and so comfortable to wear, even during sleep I barely notice it—far more seamless than any wrist‑based tracker. The battery reliably lasts 4–6 days between charges, which is great for continuous use  .
The app experience is deep with insights—HRV, skin temperature, recovery scores, circadian rhythms, and detailed sleep stages. The daily sleep score and actionable prompts (like bedtime timing or hydration reminders) help me make meaningful health tweaks. And best of all, no subscription fee—just one upfront purchase for full access .
Tracking is smooth overall, though intensive grip exercises (e.g. weightlifting) can be tricky and may cause minor scratches on the titanium finish—worth noting if you lift often .
Rounding it all out, support is responsive when they matter, whether it’s sizing help or firmware updates to resolve battery quirks. I consider this ring a smart, stylish, and subscription‑free option for anyone committed to optimizing sleep and recovery.