BIEMHA Smart Ring Health Tracker, Sleep/Exercise Monitoring, iOS/Android Compatible, IP68 Water Resistance, No Subscription Required, 5-Day Battery Life, Suitable for Both Women and Men (Black, 8)
Condition: Used - Like New
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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Color: Black
Size: 8
Features
- Check the Size Before Purchase Before buying the BIEMHA Smart Ring, we strongly suggest that you refer to the size chart and carefully measure the circumference of your finger. This will ensure you get the most comfortable wearing experience and easily avoid any unnecessary returns or exchanges.
- Real-time Accurate Sleep & Fitness Monitoring BIEMHA smart ring tracks your sleep quality and daily activities in real time. With advanced sensors, it provides precise data about your sleep cycle, helping you optimize rest and recovery. Whether you are tracking steps, calories or exercise performance, this smart ring can provide you with the most accurate insights to support your fitness goals and enhance your overall health.It is a good choice for family and friends.
- Health MonitoringThe BIEMHA ring features advanced 4.0 sensors that automatically measure your heart rate, and blood pressure every 30 min when worn. It provides continuous health tracking and comprehensive wellness management all day.
- 3-5 Day Battery Life With a 3-5 day battery life, the BIEMHA smart ring ensures continuous health monitoring without frequent charging. When used with the smart charging case, the usage time can even exceed 20 days. Whether you are tracking sleep patterns or fitness activities, you can count on long-lasting performance without constant interruptions.
- 80-meter Waterproof, Suitable for Various Scenarios The BIEMHA Smart Ring has excellent waterproof performance, with a waterproof depth of up to 80 meters. Whether it's for daily wear, an intense workout session or a pleasant swimming time, it can handle it with ease. What's more, even if you have sensitive skin, you can still enjoy an extremely comfortable wearing experience when wearing this ring.
- No APP Subscription Required Say goodbye to hidden fees! The BIEMHA smart ring does not require any APP subscription, giving you full access to all its features without ongoing payments. Just wear it and track your health and exercise metrics, everything is a breeze.
Connectivity Technology: Bluetooth
Wireless Communication Standard: Bluetooth
GPS: No GPS
Shape: Round
Screen Size: 1 Nanometer
Brand: BIEMHA
Style: Casual
Color: Black
Compatible Devices: Smartphone
Display Type: No Display
GPS Geotagging Functionality: No GPS
Band Material Type: Metal
Water Resistance Level: Water Resistant
Human Interface Input: Unknown
Supported Application: Fitness Tracker, Heart Rate Monitor, Sleep Monitor
Water Resistance Depth: 80 Meters
Metrics Measured: Heart Rate, Sleep Duration, Stress
Shape: Round
Style Name: Casual
Color: Black
Screen Size: 1 Nanometer
Display Type: No Display
Compatible Devices: Smartphone
Compatible Phone Models: Compatible with iOS and Android devices.
Brand: BIEMHA
Model Number:
Wearable Computer Type: Smart Ring
UPC: 750961720935
Manufacturer: BIEMHA
Unit Count: 1.0 Count
Connectivity Technology: Bluetooth
Wireless Compability: Bluetooth
Communication Feature: Bluetooth
Warranty Type: Limited
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
This thing won't track my naps. I sleep 4 or 5 hours at night and 4 or 5 hours during the day and it only records at night. I'm going to give it a couple more days and then I'm probably going to return it.
Reviewed in the United States on November 13, 2025 by Meghan
Convenient to wear. Not too reliable with step count.
Reviewed in the United States on December 9, 2025 by Amazon Customer
I bought this ring to test it out for the oura ring. I don’t think it was really worth the $60 I paid. The step count wasn’t accurate not even close i do wear an apple watch and it’s was off be thousands every day. The first few days it was great! it was actually tracking my sleep and i could check other functions via the app which is free. After the first few days though it stopped connecting to my phone via bluetooth and at one point just stopped connecting period so i was wearing it for really no reason. I guess you get what you pay for. Just recommend reading reviews and doing your research to see what it is that you’re looking for and making sure it fits the criteria. If what the oura rings does seems a better fit just save to the money for it rather than trying the cheap versions
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Reviewed in the United States on December 3, 2025 by Hannah McNamara
Doesn’t track anything it says it does properly and the battery life is awful. Half of the time it won’t even sync to my phone. Do not recommend.
Reviewed in the United States on November 16, 2025 by Katelyn
The ring works well to record pulse. I work night shift and sleep in the day so it will not pick up when I nap in the day to track sleep hours. The biggest thing to know is there is no app to download from the app store and you will be forced to change your phone settings to download unapproved apps (potential security issue) Overall good ring for a small budget.
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Reviewed in the United States on December 11, 2025 by maury hefele
The battery life is at best 2-3 days, not 10, and it doesn't warn you unless you're prepared to have constant notifications going off (or be in the app). The app seems to need to "synch" a lot which means I'm never sure if the readings have been happening as they should. You can only get a reading every 30 minutes at most unless you're doing it manually, so if you need a constant monitor, this is not for you (shame, it's one of the few that don't require subscriptions and are thus affordable). Good for very baseline stats, but you'd better prepare for a +/- 20 on that pulse (sometimes it was off by around 70bpm, but I have POTS). The blood pressure reading is...yeah...take that one with a mountain of salt. The sleep function is...let's just say it tries. I work nights, and it only wants to think people sleep at night. Sometimes it will read when I'm actually asleep, though. Still haven't figured out the whole "steps" feature, since I know I take way more steps than it is counting (again, go back to the "synch" thing). The O2 reader is ok.
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Reviewed in the United States on November 21, 2025 by Michea Bonilla
I loved this ring at first, now it's just frustrating me. I originally got a gold one gifted to me but we had to return it because it was a little too big. It tracked everything really well, even had blood pressure. We ordered a new one, different size and now it's not accurately tracking everything. It was fully charged but stopped tracking my steps for 7 hours. It also no longer checks my blood pressure even though the other one did? Idk. Its word. Now I feel like I don't even want to wear it cause it doesn't even react my steps accurately. I've been walking all morning and it says I only have 31 steps, I know I have more. Not to mention when I check what time I got the most steps it shows that at 2am (when I was asleep) I got 199 steps. Makes no sense.
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Reviewed in the United States on October 7, 2025 Reviewed in the United States on October 7, 2025 by Kaylah
I have been in the market for a smart ring and saw an affordable one with good reviews. This ring in no way compares to the expensive models. It has the very basic functions (HR, BP, SpO2, steps and sleep). It only syncs every 30 minutes so the data while others sync up every 5 minutes. The sleep is so inaccurate and it doesn’t track until I have been asleep for 3/4 hours. Will be returning.
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Reviewed in the United States on November 20, 2025 by Wendy Weesen