FKGZJF

Smart Rings for Women Men Fitness Ring with Heart Rate Blood Oxygen HRV Pressure Sleep Tracker Step Tracker

926+ bought in the past month

$45.34$59.98

About this item

  • 💎【Size Before You Buy】Before purchasing the FKGZJF Smart Ring, we highly recommend to buy the FKGZJF Sizing Kit to determine the most comfortable and suitable size for your finger, avoiding the inconvenience of returns and exchanges. The FKGZJF Smart Ring is designed according to the US ring standard, if you know your US ring size, then you can also buy the FKGZJF ring with the same US size.
  • 💎【Intelligent Sleep Tracker】: Your favorite sleep tracker is now wrapped around your finger. this health rings for men women can also automatically monitor your sleep. Monitor your falling asleep, waking up time, sleep quality (deep sleep and light sleep) through graphs. You can view daily, weekly and monthly sleep data in the App, helping you better adjust your habits to improve your sleep quality. Fitness ring is so comfort, you won’t even notice it’s there while it monitors your sleep.
  • 💎【Track Your Health from Your Finger】: This slim smart health ring for women men provides 24-hour blood oxygen, 24-hour heart rate and 24-hour HRV monitoring. You can conveniently view these real-time health indicators from your wrist any time, any where, and You can view daily, weekly and monthly health data in the App. Smart health ring for women provides you a more accurate monitoring information to help you explore a healthier lifestyle.
  • 💎【Activity Tracker & Multiple Sport Modes】: The fitness rings for men women automatically track your steps, calories burned and distance throughout the day. This smart ring has multiple sports modes such as running, cycling, skipping rope, walking, hiking, yoga, dancing, golf and more. Active these sport modes, you will get workout route, sport time, steps, heart rate, speeds, calories burned and distance from the App, to provide you with more effective exercise guidance.
  • 💎【NO Subscription Fees】: After purchasing the fit ring, you can enjoy lifetime free access to the smart health application. Enjoy real-time health tracking around the smart ring without any extra fees. No subscription fees to download the App and use it for lifetime.
  • 💎【Long Battery Life】: The FKGZJF Smart Ring has a battery life of up to 3-5 days on a 2 hrs charge. We offer a free portable charging case with 400 mah battery, it can fully charge the smart ring for about 15 times, which greatly extending the usage time to 60 days. You can also charge the charging case, then you can use it to charge the smart ring 15 times again. Ideal for frequent business travelers and outdoor enthusiasts, ensuring continuous health monitoring no matter where you are.
  • 💎【Easy to Charge and Wide Compatibility】: Simply charge the smart rings for women men with a magnetic USB cable or the charging case. The smart rings for women men are compatible with Android 4.4 / iOS 8.4 or above smart phones. What you get includes: FKGZJF smart ring *1, 400mah charging case*1, magnetic USB charge cable*1, type C charge cable(for charging the charge case)*1 and instruction*1. This ring tracker is a great gift for men and women.
$45.34
Was $59.98Save $14.64

In Stock

DeliveryEstimated 3–5 business days · Final delivery speed and cost are confirmed at checkout
Easy Returns · 30-day window
This order is a gift

In Stock

Secure Checkout
Free Returns
30-Day Guarantee
Secure checkoutAll transactions are SSL-encrypted. Your payment info is never stored.
Free returnsReturn or replace within 30 days
Fast deliveryOrders ship within 1 business day and arrive in 4–8 days.
Buyer protectionIf your order arrives damaged or doesn't show up, we'll make it right.
24/7 supportOur team is here to help. Reach us anytime by email or chat.
Ships fromOur Warehouse
Sold byTipmant
Returns
Easy Returns30-day return window
PaymentsSecure transaction
Currently unavailable
Easy Returns · 30-day window

Product details

Operating SystemAndroid Wear 2.9
Special FeatureActivity Tracker, Lightweight, Multisport Tracker, Sleep Monitor, Slim Design
Battery Capacity400 Milliamp Hours
Connectivity TechnologyBluetooth
Wireless Communication StandardBluetooth
Battery Cell CompositionLithium Ion
GPSGPS Via Smartphone
ShapeRound
BrandFKGZJF
Model NameSmart Ring

Technical specifications

package_dimensions3.62 x 3.62 x 1.14 inches
item_weight0.25 Kilograms
item_model_numberSmart Ring
batteries1 A batteries required. (included)
best_sellers_rank#3,393 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #26 in Activity & Fitness Trackers #38 in Electronics & Gadgets
date_first_availableSeptember 3, 2025
manufacturerDuobuy

From the brand

Product detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detail

Product videos

Product video 1

Customer reviews

4.4342 ratings

Customers say

Customers find the smart ring tracks heart rate and sleep accurately and is easy to use with a user-friendly app.

★★★★★

Easy to use, comfortable, monitors sleep

Thomas M SissonJanuary 9, 2026

Ordered kit for proper size. Works great, gives heart rate accurately, steps a little off iPhone, Bought mostly to monitor sleep and that gives good information. App was easy to set up and link. Battery is good and lasts several days. Read more

★★★★★

Excellent Smart Ring With Premium Features—No Monthly Fee

Crystal SJanuary 14, 2026

I am extremely impressed with this smart ring. It offers all the same core features as the much more expensive name-brand versions, but at a fraction of the cost, and without a monthly subscription fee, which is a huge plus. I’ve found the data to be very accurate when compared to my expensive smartwatch. The biggest advantage for me is sleep tracking: I have to charge my watch at night, so I was missing that data, but this ring allows me to track my sleep effortlessly. It also tracks oxygen levels and HRV, which my smartwatch doesn’t even offer. The ring is very comfortable to wear. I honestly forget it’s on and it’s waterproof, so I never have to worry about taking it off. Charging is incredibly convenient too. I can just drop it in the charging case while driving to work every few days, and the app clearly shows the battery life so I always know when it needs a charge. Overall, this ring has been a great tool for keeping my health on track. If you want comprehensive health tracking without the high price tag or monthly fees, this is an excellent choice. Highly recommend. Read more

Review image 1Review image 2Review image 3Review image 4Review image 5Review image 6
★★★★★

Knowing my BP and sleep patterns are important to me

Dr. Jim KayDecember 29, 2025

I'm wanting to track my sleep as well as my blood pressure and this did both. I put images in the review so you can see exactly what the app and results look like when you wear it, and how the readings change throughout the day. Why I Bought It The doctor told me my blood pressure was running high, so I needed an easy way to see if I was hitting dangerous levels at different times of day without constantly using a traditional cuff. I also wanted a simple, comfortable sleep tracker that I could wear all night without the bulk of a smartwatch or fitness band. Health Tracking Performance This ring tracks heart rate, blood oxygen, HRV, stress/pressure levels, and sleep, giving you a clear picture of how your body is doing in one dashboard. The blood pressure–related insights and alerts make it much easier to notice patterns, like when stress or activity causes spikes, so you can bring real data to your doctor. Sleep And Daily Insights Overnight, it records how long you sleep and breaks it into stages, then shows trends so you can see how habits like staying up late or drinking caffeine affect your rest. During the day, step and activity tracking help you connect movement with better sleep and calmer heart-rate/pressure patterns over time. Design, Comfort, And Colors The ring is slim, lightweight, and much less noticeable than a watch, so it feels natural to wear all day and night, even while sleeping. It is waterproof, so you do not have to take it off for handwashing, rain, or most daily water exposure, and it comes in multiple colors so you can pick a style that matches your jewelry. Overall Impression For the price, getting heart rate, blood oxygen, HRV, stress, sleep, steps, and blood-pressure-related tracking with no subscription fee is an incredible value. Anyone who has been warned about high blood pressure or who wants deeper insight into sleep and daily recovery would find this ring extremely helpful and reassuring. Get the proper fit. It must be snug. Read more

Review image 1Review image 2
★★★★☆

Easy to use app.

DanJanuary 1, 2026

It seems to work well. Only 4 stars because I don’t know how accurate it really is. I don’t really have a way to compare it to the more expensive rings on the market. Read more

Review image 1
★★★★★

Great smart ring, comfortable and easy to use

Maikro MesaJanuary 8, 2026

The media could not be loaded. Very happy with this smart ring so far. The setup was quick and simple, and it connected to my phone without any issues. The ring feels lightweight and comfortable to wear all day, and the design is clean and discreet. The packaging includes everything you need, and the charging case works well. For the price, this smart ring delivers solid performance and is a great alternative to bulkier wearables. Highly recommended if you’re looking for a simple and practical smart ring. Read more

Review image 1Review image 2Review image 3Review image 4
★★★★★

Stylish, comfortable, and surprisingly accurate Smart Ring — tech meets elegance!

EvgeniyaOctober 13, 2025

I’ve been testing this Smart Ring for a few days and I’m honestly impressed! The design is sleek and minimal it looks like a stylish piece of jewelry, not a gadget. It’s lightweight, super comfortable, and fits perfectly on the finger (I wear size 8). The sensors track heart rate, sleep, and activity quite accurately, and the connection with the app was smooth and quick. I love that it charges easily in its compact case and holds battery for several days. It’s a great option for anyone who wants to monitor health without wearing a bulky smartwatch. Definitely worth trying! Read more

Review image 1Review image 2Review image 3
★★★☆☆

Get this set before ordering a Smart Ring....and then the ring

Dave A.July 19, 2025

Glad I got this set. It provided me the right size I needed for my Smart Ring, and prevented me from getting the wrong size. This saves the guess work, and worth the few bucks to find out the size I really needed. After getting the Smart Ring, and being blocked from doing a review on it, I've added it here, so beware of these APPs (see pics). The Apps want full access to your phone, your text messages, photos, and contacts, and...access to DELETE your contacts. How's that for something you want to have on your phone? Even if you opt out, whose to say they still don't have access? I'm not sure what the charging block is for either, as I used it to charge the ring, and it showed fully charged, then used the magnetic cord to charge the ring directly, and it charged for another 2 hours...so what's the block for? As for accuracy of the ring, it's understood it's for reference only, so don't take it as official tracking. I use mine basically for sleep, and it's not bad, but it's way off for blood pressure. Steps are close, but not great. The SP02 reading is fairly accurate as well. I tested this against my other meters for verification. The App is from China, so you are giving them access. Read the Privacy Policy. Read more

Review image 1Review image 2Review image 3Review image 4Review image 5Review image 6Review image 7Review image 8Review image 9Review image 10Review image 11
Recently Viewed