The AI Insights Mayissi Smart Ring in Gold is a screenless ring that records how you sleep, how your heart rate and blood oxygen behave, how much you move and how much stress you are carrying — then hands the numbers to a companion app that explains them. Nothing lights up, nothing buzzes, and there is no strap to loosen at two in the morning. That is the whole argument for a smart ring sleep tracker: you put it on and forget it, and the readings happen anyway. As a wearable smart ring it is deliberately quiet — a slim gold band with an optical sensor set into the inner face, closer to a piece of jewellery than to a gadget. You do not have to watch it. You check in when you want to.
A wellness ring, not a medical device
The AI Insights Mayissi Smart Ring in Gold is a consumer wellness product. It does not diagnose, treat or monitor a medical condition, it has no ECG function and it cannot tell you whether you have sleep apnea. What it does is record your own patterns closely enough that you can see them change.
Where the readings come from
An optical sensor set into the inner face reads your pulse and estimates blood oxygen through the skin; movement and heart-rate patterns are used to separate deep, light and REM sleep; overnight temperature is compared with your own baseline rather than against a fixed number. Every one of those is an estimate worked out from a signal, which is why the app shows you trends and ranges rather than a single laboratory figure.
How the sleep analysis was developed
The sleep and recovery models behind this ring were developed together with universities and hospitals, and that work is where the sleep-stage analysis, the likely causes of a broken night and the bedtime prediction come from. It means the method has been reviewed outside our own lab, but it does not turn the ring into a clinical instrument, and the results are not a substitute for a sleep study.
One night is noise, a few weeks is a pattern
A single poor night can come from a late meal, a warm bedroom or a glass of wine, and reading too much into it is the most common mistake people make with a sleep tracker ring. The useful signal appears when several nights line up: resting heart rate drifting up across a week, sleep efficiency sliding, HRV flattening. Give any change two to three weeks, and always compare it with your own history rather than with someone else's numbers.
What the daily and weekly scores are for
The score compresses heart rate, heart-rate variability, sleep, stress, temperature, blood oxygen and activity into one figure you can line up day against day. Treat it as a prompt for a decision — an earlier bedtime, an easier training day — not as a verdict on your health.
Where the numbers are strongest, and weakest
Resting heart rate, step counts and total sleep time are the steadiest readings. Blood oxygen is the most sensitive to fit and movement, so a ring that turns on the finger overnight can produce dips that mean nothing. Skin temperature only becomes meaningful against your own baseline over time. A snug fit on the correct finger affects the numbers more than any setting in the app.
When to take the readings to a clinician
If you have a diagnosed heart or sleep condition, if you snore heavily or wake gasping, or if the health monitoring ring keeps flagging the same thing week after week, take it to a doctor. Several weeks of your own trend is genuinely useful context in that conversation — it is not a test result, and it should not be treated as one. Keep working with your clinician and let the ring sit in the background where it belongs.
| Water resistance | 5ATM |
| Swimming | Suitable for pool and open-water sessions |
| Showering | Safe to wear in the shower |
| Everyday water contact | Hand washing, rain and sweat are part of normal wear |
| Connectivity | Bluetooth and GPS |
| Companion app | iOS and Android |
| Pairing | One-time Bluetooth pairing through the app |
| Syncing | Data passes to the app over Bluetooth, with no cable or dock needed for a sync |
| Firmware updates | Delivered over the air through the app |
| Charging | Magnetic charging |
| Operating temperature | 0 °C to 50 °C |
Cycle tracking is built in rather than bolted on. Log your cycle and the app lines it up against overnight temperature, heart-rate variability and sleep, so you can see how the phases of your month actually land — which weeks you sleep well, which ones your resting heart rate climbs, where stress tends to bite. For anyone who has been carrying that picture around in their head, a smart ring for women that keeps it for you is the practical difference.
It also separates the signals. A raised overnight temperature on a warm night is not the same as a raised temperature at the same point in your cycle, and a sleep tracker ring that reads both can tell you which one you are looking at. Over a few months the pattern becomes useful in a way a single night never is.
| Heart rate | Continuous day and night, with a live rate during activity |
| Heart rate variability | Beat-to-beat variation, read as a recovery and stress signal |
| Blood oxygen (SpO2) | Oxygen saturation estimated by the optical sensor |
| Skin temperature | Overnight readings compared against your own baseline |
| Sleep stages | Deep, light and REM sleep logged every night |
| Stress | Estimated from heart-rate and HRV patterns through the day |
| Activity | Steps, distance and calories |
Gold is the finish that changes how the ring reads. Polished on the outside, smooth where it meets the skin, it sits beside a wedding band or a watch without competing with either — the version most people choose when they want a women's smart ring that looks like something they picked out rather than something they were issued.
The band is ultra-thin and weighs about 2.5 g, and the sensor window is recessed into the inner face where it touches the finger. There is no screen, no crown and no button to press in the night. If you have been looking for a smart ring for women that disappears under a shirt cuff at work and stays quiet on the pillow, the shape is the point.
Charging is magnetic: the ring sits on the dock inside its case and reaches full power in about an hour. From there you get up to 7 days of active use and up to 15 days on standby, and the charging case carries enough reserve to take total running time past 150 days between wall charges. In practice that makes charging a weekly habit rather than a nightly one.
Two things are worth a minute before checkout. The first is size: sizing is the most common reason a smart ring health tracker comes back, and the chart settles it faster than a return does. The second is the app — it comes with the ring rather than as a monthly plan, so there is no second decision waiting for you a month later.
Delivery timing, shipping cost and the return window are confirmed at checkout and again in your order email. If something about your health monitoring ring order needs sorting before it ships — a size change, a question about what is included — message our team and we will deal with it before dispatch.
- The ring, in the gold finish and the size you selected. - A charging case with a magnetic dock and a battery-level display, so the reserve is visible at a glance. - A charging cable and a short printed manual. - Setup is a pairing step rather than a project: charge the ring, install the companion app and follow the prompts to start using the wearable smart ring. - Readings begin as soon as it is paired, and the first full night lands in the app the next morning — which is when a smart ring sleep tracker starts to earn its place.
Mayissi is the smart-ring brand of Tide Forge Tech, a health-monitoring technology company based in Shenzhen High-Tech Park (Nanshan), China, established in 2026. Our team of ten designs, develops and builds wearable health-tracking devices that are sold to customers worldwide. Because research, design and production sit under one roof, we can watch quality at every stage, from sensor performance to the finish you wear. Every customer receives clear setup guidance and responsive after-sales support, with our team reachable around the clock.
