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QALO Slim Smart Ring Fitness Tracker – Size Before You Buy – Silver, 12

  • Based on 84 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Sep 9
Order within 5 hours and 32 minutes
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Size: 12


Style: Slim


Color: Silver


Features

  • ALL-DAY WEAR - ULTRA-THIN DESIGN: At just 2.2mm, the QALO Slim Smart Ring is built to disappear on your finger. Lightweight, durable, and waterproof up to 100 meters, its designed for 24/7 wear through workouts, showers, and sleep without compromise. Track everything in the free QALO app no subscription required.
  • SNUG FIT - SIZE UP RECOMMENDED: The QALO Smart Ring fits snug due to raised sensors on the inside for accurate tracking. We recommend sizing up. Consider knuckle width and finger swelling, and use the QALO Ring Sizing Kit for best results.
  • SLEEP & RECOVERY TRACKING: Track every stage of sleepawake, light, deep, and REMand get a daily Sleep Score to understand your recovery. Monitor total sleep time, trends over time, and personalized insights to improve rest, energy, and daily performance.
  • VITALS & ACTIVITY TRACKING: Monitor key metrics like heart rate, HRV, SpO2, stress, and temperature trends throughout the day. Track steps, active calories, distance, multiple activity modes, and automatic movement detection, with advanced womens health tracking across all four cycle phases.
  • HSA/FSA ELIGIBLE: The QALO Slim Smart Ring is eligible for purchase with HSA or FSA funds, making it easier to invest in everyday health, recovery, and wellness tracking.

Description

Order the QALO Smart Ring Sizing Kit and get a $10 credit toward your full ring purchase. Test the kit at home to find the most comfortable fit, then purchase your QALO Smart Ring. Download the QALO app and connect your new ring! Dive into your health insights. Track activity, sleep, women’s health, and more! The QALO Sizing Kit lets you test your size at home before purchasing your smart ring — plus, you’ll receive a $10 credit toward your QALO Smart Ring purchase. I’ve never used a health tracker before. Is this easy to use? Yes! Just download the QALO app, pair your ring, and wear it daily. It tracks data automatically and provides an easy-to-read Q Score. Our support team is available if you need a hand getting started. Which finger should I wear it on? For the best accuracy, we recommend the index finger of your non-dominant hand. The middle or ring fingers also work well—just ensure the sensor is positioned against the palm side of your finger. How is this different from a smartwatch? At under 4g, it’s lighter and more comfortable for 24/7 wear and sleep tracking. Enjoy up to 7 days of battery life and a screen-free experience without distracting notifications, all at a more accessible value. Can I wear it in the pool or shower? Absolutely. Both rings feature a 10ATM water-resistance rating, making them perfect for swimming, showering, and daily activity. Please note they are not intended for deep-sea diving. Can I buy more silicone covers? Yes! You can find additional covers in a variety of colors and patterns to match your style. We also offer customization options to make your ring truly unique.

Operating System: Health and Activity-tracking Smart Ring


Special Feature: Activity Tracker, Heart Rate Monitor, Long Battery Life, Sleep Monitor, Water Resistant


Battery Capacity: 14.5 milliamp_hours


Connectivity Technology: Bluetooth


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Polymer


GPS: No GPS


Shape: Round


Brand: QALO


Model Name: QRNT


Operating System: Health and Activity-tracking Smart Ring


Additional Features: Activity Tracker, Heart Rate Monitor, Long Battery Life, Sleep Monitor, Water Resistant


GPS Geotagging Functionality: No GPS


Band Material Type: Titanium Alloy


Case Material Type: Polycarbonate (PC)


Water Resistance Level: Water Resistant


Sport Type: Swimming


Human Interface Input: Buttons


Supported Application: Alarm, Fitness Tracker, Sleep Monitor, Time Display


Water Resistance Depth: 1.5 millimeters


Metrics Measured: Heart Rate Variability, Sleep Duration, Stress, Blood Oxygen


Closure Type: Slide


Shape: Round


Style Name: Slim


Color: Silver


Band Color: Silver


Connectivity Technology: Bluetooth


Wireless Compability: Bluetooth


Communication Feature: Bluetooth


Compatible Devices: PC, Smartphone, Tablet


Compatible Phone Models: Android Devices, iOS Devices


Warranty Type: Limited


Brand: QALO


Model Name: QRNT


Target Audience: Boys, Girls, Men, Unisex Adults, Women


Age Range Description: Adult


Model Number: QRNT


Built-In Media: Charging Cable, QRNT Covers, QRNT Smart Slim Ring, Wireless Charging Case


Warranty Description: 12 Months Limited


Wearable Computer Type: Smart Ring


Unit Count: 1 Count


UPC: 191286310980


Manufacturer: QALO


Battery Capacity: 14.5 milliamp_hours


Battery Cell Type: Lithium Polymer


Battery Average Life: 7 days


Battery Charge Time: 2 hours


Display Type: No Display


Band Width: 8 millimeters


Item Weight: 4 g


Item Dimensions D x W x H: 0.1"D x 0.3"W x 1.5"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Looks great, nice app, great customer support
Size: 9 Style: Slim Color: Silver
Update 01.14.25: I was able to get the ring replaced under the 1 year warranty, and customer support was great throughout the process. Original Review: This ring worked very well for a couple weeks, then the battery started draining from full to zero within a few hours. I'm hoping that I just received a bad unit as I really loved the ring and the data that it tracked. I'm working with support to either get it replaced under the 1-year warranty or get a refund so I can repurchase. I love that it came with a white and black ring cover, and that I can order more directly from Qalo’s website. This not only protects the finish of the ring, but also allows me to accessorize depending on my outfit! I will caution that the sizing is not standard, so I would highly recommend getting the sizing kit first (it was not an option when I purchased mine) as I ordered based on the size chart and the old style ring sizer and it’s too tight on the finger I had originally planned so I’m wearing it on a different finger on the opposite hand. ... show more
Reviewed in the United States on January 12, 2026 by Elizabeth A.

  • Run the other way! Don’t buy!
Size: 9 Style: Slim Color: Gold
DONT BUY THIS RING! The original slim one I bought stopped holding a charge. The company was great and reached out sent me a new one. But the new one got here a week ago and doesn’t track anything other than steps, won’t connect to the charger & just doesn’t work because of this. But now they won’t respond to me at all. I’m so disappointed. I loved this ring and had high hopes. ... show more
Reviewed in the United States on April 10, 2026 by Hannah

  • Get THIS ring!!
Size: 11 Style: Slim Color: Gold
Great ring! Gives all the info of the more expensive rings without the monthly fee! Comfortable and stylish too!! 100% recommend!
Reviewed in the United States on August 14, 2026 by Jill Zib

  • Ok entry point to biohacking
Size: 8 Style: Slim Color: Gold
Concept and price point are great; product has room for improvement. Returned this one due to no charge held. Luckily I was within my 30 days. Second ring purchased (not one replaced) has now crapped out and going back and forth with both Qalo and Amazon to replace or refund. It stinks the battery just doesn’t want to hold ... show more
Reviewed in the United States on April 24, 2026 by d ostreet

  • Not worth the investment if it is just going to break
Size: 9 Style: Slim Color: Silver
I loved this ring when I first got it but now it will not hold a charge!! It dies in less than 2 days when at the beginning it would last me a week or more! You have to order 2 sizes up or it will be way too small! Overall I would love this ring if it would just stay charged! And conveniently it stopped charging right as the return window ended! ... show more
Reviewed in the United States on March 18, 2026 by lizzie

  • Decent buy!
Size: 7 Style: Slim Color: Silver
I have tried both cheaper and more expensive smart rings and up until this one, I was really liking the RingConn slim. The RingConn slim is very good, amazing battery and fully functioning app but the ring itself scratched up pretty good in just one week of wear so when I saw this one with a brushed metal look, figured it may mitigate and hide scratches better (since I'm not too keen on the idea of adding a sleeve/cover). So far I am really liking the QALO QRNT Slim. The ring itself is snug but not uncomfortable. It is definitely lightweight staying true to the "slim" aspect in its name but it is thick in width which has me a bit hesitant to keep. I thought I'd like the brushed metal look but no, not into it. The app is simple but concise. It tracks extremely well compared to my Apple Watch which for some time now I've been wanting to rid myself of. The tracking, especially in sleep (which I'm always curious about thanks to my PMOS and now pregnancy) is great. Tracks naps to the minute and I found it a nice feature when asked to confirm if napping indeed took place and if wanting to add the data to the sleep interval for that day. It also tracks my pregnancy and renders small insight and details which is nice. I can't speak to cycle tracking given my current state but it looks promising! There are many sports and activities that can be tracked, too which will be perfect for when postpartum and back to focusing on weight loss and maintenance. I admit that the initial review of the lesser stars almost deterred me from buying but so glad I did and using it has confirmed my initial realization.. people rated low in battery life because they didn't take the time to poke around the app and adjust the timing between measuring.. CHECK THE INTERVALS! They are defaulted to track every 30 mins so unless you truly want tracking to happen that often, change the interval setting to 60 or its max, 120 (check out the video). It truly makes ALL the difference. It functions seamlessly with iOS, Apple Health (and I trust it will with Android since considering leaving the system) and costs about the same as the mid to higher end competitors without entirely breaking the bank. Overall, it's really good if unlike me, you don't mind the brushed opaque look and the width of it (which I thought the "slim" in its name would help that). The RingConn Gen 2 Air is definitely slimmer and lighter which I will return to give. The difference and preference of its look over this one. If QALO made this in a glossy silver finish, I would've been sold. ... show more
Reviewed in the United States on May 23, 2026 by Jeslyn Lucia

  • General FYI - One Person’s Perspective
Size: 11 Style: Slim Color: Silver
I’ve had it for over a week and while the step count may be slightly off - you have to swing your arm that it is on. It is comfortable to wear all day. It also seems to hold a charge and able to recharge in the time it takes me to get ready for work. 30-45 minutes. The heart rate monitor does seem to pretty accurate in comparison to my Apple Watch. ... show more
Reviewed in the United States on April 2, 2026 by Erin Samolinski

  • Don’t. Do. It.
Size: 10 Style: Slim Color: Gold
It stopped working/charging after a month. I reached out to customer service to no avail or solution. They did not reach back out to me when they forwarded me to another member of their team. Do not recommend.
Reviewed in the United States on July 31, 2026 by J. Crews Smiles

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