SARUNN ER Smart Ring Smart Ring with Sleep Monitoring
Available Options
Current
Smart Ring
Amazon
$22.80
Available to order
Features
- Diverse health monitoring modes
- Intelligent sleep tracker
- Long battery life
- Ultra-thin design
- 90-meter waterproof
- No subscription fees
Product details
General specs
- Brand: SARUNN ER
- Charging Method: Magnetic
- OS Compatibility: Android, iOS
- Water Resistance: IP68
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
#publicidad
$22.80
Last price update: 11/9/25
Available to order
Price History for seller Amazon
| Date | Price |
|---|---|
| 11/9/25 | $22.80 |
| 8/5/25 | $17.59 |
Shipping options
Delivery to 
United States
United States
Available
The SARUNN ER Smart Ring is like having a tiny, hyper-observant health coach wrapped around your finger. It’s not just counting your steps—oh no. This little guy is tracking your heart rate, blood oxygen, and even your blood pressure around the clock. Whether you’re crushing a workout or just trying to remember to move your legs from the couch to the fridge, it’s got your back. And your sleep? It’s on that too, breaking down your snooze time into deep and light sleep like a sleep scientist who’s way too invested in your REM cycles. With a battery that laughs in the face of your phone’s pathetic life span (up to 5 days, or a whopping 30 with the charging case), a design so light you’ll forget it’s there, and the ability to dive 90 meters underwater without breaking a sweat, it’s basically the James Bond of fitness trackers. And the best part? No sneaky subscription fees—just you, your health data, and the SARUNN app, living happily ever after.
Smart Ring with Sleep Monitoring Diverse health monitoring modes
$22.80
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