Oulencu

2025 Smart Ring for Women Men Sleep Tracker Ring Fitness Smart Ring Activity Tracker Sleep Monitor Stress Heart

4.6(9)

1176+ bought in the past month

$109.99
sizeS

About this item

  • 💓【Insightful Sleep Analysis with Smart Ring】- The Smart Ring offers a comprehensive Sleep Index, aiding in the understanding of distinct sleep stages such as Deep Sleep, REM Sleep, Light Sleep, and Awake periods. These stages coordinate various metabolic processes crucial for bodily growth, repair, restoration, and maintenance during different phases of sleep.
  • 💓【Improved Movement Tracking with Smart Ring】- The Smart Ring integrates a Movement Index, enabling better monitoring of daily physical activity to enhance metabolism and cardiovascular health. Monitor steps, calories burned, metabolic equivalents (METs), and various other vital metrics to optimize your daily physical activity levels.
  • 💓【State-of-the-Art Smart Ring featuring Precision Sensors】- Equipped with top-tier ultra-precision sensors, the Smart Ring includes multi-axis acceleration, optical heart rate, optical oximetry, and infrared sensors operating concurrently. Comparable to professional-grade equipment, these sensors ensure remarkable accuracy and performance.
  • 💓【Advanced Fitness Monitoring with Smart Ring】- The Smart Ring introduces tailored workout tracking through its dedicated 'Workout Mode,' meticulously observing various activities to provide comprehensive insights into overall workout metrics. By closely monitoring heart rate during exercises, users gain valuable insights into their cardiovascular response, assess intensity levels, and make informed decisions to optimize their fitness outcomes.
  • 💓【Fast Charging and Extended Battery Life: Power Boost for the Smart Ring】- The Smart Ring offers swift charging, where just 10 minutes of charging provides 50% battery life that lasts all day. With an extended battery capacity, once fully charged, it effortlessly sustains usage for 6-7 days, ensuring prolonged functionality without the need for frequent recharging.
  • 💓【Smart Ring Companion: Free Health Monitoring App】The Smart Ring provides a complimentary health tracking app, granting seamless access to health data without any subscription fees. Compatible with Android 5.0 and iOS 10.0 and above, the app complements the device by offering comprehensive health insights directly on your mobile device.
$109.99

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Product details

Operating SystemAndroid, IOS
Special FeatureActivity Tracker, GPS
Battery Capacity20 Milliamp Hours
Connectivity TechnologyBluetooth
Wireless Communication StandardBluetooth
Battery Cell CompositionLithium Polymer
GPSGPS Via Smartphone
ShapeRound
BrandOulencu
Model NameSmart Ring Health Tracker

Technical specifications

item_weight0.1 ounces
item_model_number24OL-NVSR
batteries1 Lithium Polymer batteries required.
best_sellers_rank#894,069 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3,026 in Activity & Fitness Trackers #6,111 in Electronics & Gadgets
osAndroid, IOS
connectivity_technologiesBluetooth
gpsGPS Via Smartphone
special_featuresActivity Tracker, GPS
other_display_featuresWireless
colorBlack
whats_in_the_boxChargingh Cable, OULENCU Smart ring, Quick Guide Leaflet
manufacturerOULENCU
date_first_availableOctober 30, 2024
weight0.1 Ounces

From the brand

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Customer reviews

4.69 ratings

Customers say

Customers find the smart ring accurate, with one mentioning its detailed health tracking capabilities. Customers disagree on the ring's bulkiness.

★★★★★

Impressive Smart Ring – Compact, Accurate, and Stylish!

FredaMay 17, 2025

I’ve been using the Oulencu Smart Ring for a few weeks now, and I’m genuinely impressed with its performance and sleek design. Despite its small size, this smart ring packs a powerful punch when it comes to health and fitness tracking. The Bluetooth 5.0 connectivity is seamless – it syncs quickly with my phone, and the app interface is intuitive and easy to use. I mainly use it for tracking heart rate, blood oxygen levels, and sleep, and I’ve found the data to be consistently accurate and helpful in maintaining a healthy routine. The calorie and activity tracking are added bonuses that motivate me to stay active throughout the day. What I love most is how comfortable and discreet it is. Unlike bulky smartwatches, this ring looks stylish and doesn’t interfere with daily activities or workouts. The black finish is sleek and matches with everything. If you're looking for a minimalist and reliable way to keep tabs on your health, the Smart Ring is a fantastic choice. Definitely worth the investment! I am a 6ft male with average build and i had to get the 10 size so keep this in mind when you are considering it. One con I would like to point out is the charging...they could have made it simpler. Its not something you can just plop on its charger when u are drowsy at night, you actually have to pay attention to where it lines up. This is just a small knock though for the cost savings over other name brands All in all, still 5 stars Read more

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★★★★★

Incredible Smart Ring — Stylish, Accurate, and Essential!

gennady gretskyApril 27, 2025

The Oulencu 2025 Smart Ring has completely impressed me! It's sleek, lightweight, and incredibly comfortable — I forget I’m even wearing it. The health tracking is amazingly detailed, from sleep stages to daily activity and workout heart rate monitoring. The Movement Index and METs tracking help me stay on top of my fitness goals. The battery life is outstanding — a 10-minute charge powers it for a full day, and a full charge easily lasts nearly a week. Plus, the free companion app is user-friendly and full of valuable insights without hidden subscription fees. If you’re serious about health, fitness, and convenience, this smart ring is a total must-have. I couldn’t recommend it more! Read more

★★★☆☆

On the fence- possibly a defective ring

Dawn ReaganJune 23, 2025

I decided I wanted a smart ring, but I didn’t want to shell out $300 or more, and I didn’t want to have to pay a monthly subscription. A little searching led me to the Oulencu Smart Ring. It seemed like a decent, moderately priced option with some good reviews. Although some sizes and colors of this ring are available in one day, mine shipped from China and arrived 11 days after I placed the order. After unpacking and charging the ring, I tried to connect it to my phone. This was more of a struggle than I expected. I had to put the ring on the charger, open the app and hit Connect, making sure my phone was very close to the ring. It took longer than expected for the iPhone to request to pair, but I was finally able to complete the pairing. Once connected, the ring began collecting data. For the first few days, I was really impressed with the data that showed up in the DaRings app, but the app abruptly stopped showing sleep data and steps, which makes me wonder if the ring’s accelerometer has quit working. I manually entered a couple workouts, but I was under the impression that the ring was supposed to detect a workout- again, a feature based on movement. Heart rate data is pretty consistent with my Apple Watch. I think blood oxygen is pretty accurate also. I am going to give it another couple days, but I may end up returning this one, since something seems to have quit working. The ring feels a bit bulky on the finger. I purchased size 8, and perhaps I should’ve ordered a 7, but I was a bit afraid it would be too tight when my fingers swelled, as they do at various times of the day. I’ve been switching between the left index and middle fingers, and that seems okay. The ring does feel rather bulky, but it’s tolerable. The first picture shows the black ring on my finger, no cover. The second picture shows it with a blue-gray cover on it. The covers don’t add much bulk. I will update this review after wearing the ring for another couple days. If I return it, I’ll document that process here if anything unexpected occurs. Read more

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★★★★★

Got it for a friend—she absolutely loved it!

DeepMay 24, 2025

I bought this smart ring for a friend, and she’s been raving about it! She loves how it tracks sleep, steps, heart rate, and even stress without needing a subscription. It looks sleek and fits comfortably—such a thoughtful and practical gift! Read more

★★★★★

Easy to use

AjinJune 3, 2025

I have been trying this for a few days now and I think it’s very convenient. I don’t like wearing watches and didn’t want to spend a fortune on the other rings. This tracks your steps which is mainly what I needed. Easy to charge. Haven’t used the sleep tracker yet. Read more

★★★★★

Great gift

FMMay 7, 2025

Love the features and the size my wife got fits me perfectly. Its sleek and adds a bit of "swag" look. Read more

★★★★★

Amazing ring

VitoApril 6, 2025

The best ring ever, very accurate, I’ve been using this smart ring for a few weeks now and I’m genuinely impressed. It’s sleek, lightweight, and looks just like a fashionable accessory—yet it packs a punch with its features. The sleep and activity tracking are accurate, and I love being able to monitor my heart rate and steps without having to wear a bulky smartwatch. Battery life is solid—it easily lasts 4-5 days on a single charge. The app is user-friendly and gives detailed insights into my daily health metrics. Syncing was quick and hassle-free. Only downside: it’s slightly thicker than a regular ring, but you get used to it fast. Overall, it’s a great choice for anyone who wants discreet health tracking. Highly recommended! Read more

★★★★★

Good app interface

KHLMay 22, 2025

I’ve tried a few smart rings and I his has been the best of them so far. Software visualizations are great. No issues with connectivity and provides m good data around sleep and HR. Read more

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