Ring vs Tracker
Compare screen-free rings with wrist fitness trackers for sleep comfort, workout feedback, sizing, battery life, and when a smartwatch is the fallback.
YERSIDA R08M Health Smart Ring: Heart rate monitoring
The YERSIDA R08M Smart Ring is for anyone who wants to track their health without wearing a bulky wristband. Slip it on before your morning run or wear it all day at the office. It monitors heart rate, blood oxygen, and sleep stages automatically. Unlike a smartwatch, you won't bump it against door frames or feel it during sleep.
One morning, I noticed my stress alert was high during a meeting. The ring's emotion tracking picked up subtle changes I didn't feel. It reminded me to take a deep breath. That's the kind of insight this ring gives you—not just numbers, but context. The nano ceramic finish is smooth and scratch-resistant, and it's waterproof up to 50 meters, so you can swim or shower with it on.
You get a full picture of your wellness: sleep quality, resting heart rate, and activity logs. The data syncs to your phone, and the battery lasts up to 7 days. It's a simple way to stay on top of your health without extra fuss.
Features
- Blood oxygen monitoring
- Sleep tracking
- Emotion monitoring
- Sport activity tracking
- Waterproof design
- Nano ceramic and stainless steel construction
- Heart rate monitoring
General specs
- Brand: YERSIDA
- Model: R08M
- Seller: AliExpress
- ID: 1005007382391932
- Model: R08M
- Features: Heart Rate Monitor, Blood Oxygen Monitor, Sleep Monitor, Emotion Monitor, Sport Mode, Waterproof
- Material: Nano Ceramic, Stainless Steel
- First listed by seller: June 18, 2026
If you are interested in more details, you can find full information on the seller's page.
€19.92
Last price update: 8/1/26
Available to order
Price History for seller AliExpress
Shipping options
Delivery to 
United States
United States
Available
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| Brand | YERSIDA | ZBNMY | ZBNMY | |||
| Model | R08M | R12 | R08 | |||
| Color |
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| Rating |
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| Price | €19.92 | €15.66 | €30.31 | €37.22 | €18.75 | €19.21 |
| Seller | AliExpress | AliExpress | Retailer | Retailer | AliExpress | AliExpress |
| Update | Aug 1, 2026 | Aug 1, 2026 | Mar 21, 2026 | Apr 17, 2026 | Jul 31, 2026 | Aug 1, 2026 |
| Type | Smart Ring | Smart Ring | Smart Ring | |||
| Compatibility | Android | iOS, Android | iOS, Android | |||
| Waterproof Rating | IP68 | IP68 | IP68 | |||
YERSIDA R08M Heart rate monitoring
€19.92
When this device makes sense
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