R5 SIZE 8 Smart Ring - Health Monitoring & Multiple Sports Modes (Silver)
Ever wished you had a personal health guru on your finger? Meet the R5 SIZE 8 Smart Ring—your new wellness wingman. It’s not just about counting steps; this little powerhouse keeps tabs on your heart rate, blood oxygen levels, and even how well you’re sleeping (or not sleeping, let’s be honest).
Whether you’re a gym rat or just trying to remember where you left your sneakers, the R5’s got your back with sports modes for almost anything. And thanks to Bluetooth 5.1, it syncs with your phone faster than you can say "Where’s my data?" Dive into the EcTri app to geek out over your stats and see how far you’ve come.
Rain or shine, sweat or swim, the IP68 rating means this ring doesn’t bail on you. Plus, with magnetic charging, you’re juiced up in 30 minutes and good to go for a week. Talk about low maintenance.
Inside the box, you’ll find the smart ring itself, a charging cable (because cords are still a thing), a user manual (for those who read them), and the original retail box (for the collectors out there).
General specs
- Model: R5 SIZE 8
- Seller: Sunsky
- ID: 3469918
- CPU: Pixart 2860
- Bluetooth: 5.1
- Heart Rate Sensor: HX3605
- Battery Capacity: 18mAh
- Working time: 5-7 days
- Charging time: 0.5H
- Waterproof: IP68
- Size: Dia 18.2mm; Circumference 56.9mm
- Charging method: Magnetic charging
- Compatible system: Android6.0 or above, iOS11.0 or above
- APP: EcTri
- First listed by seller: 12/11/24
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
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|---|---|---|---|---|---|---|
Smart Ring with Health Monitoring and Multiple Sports Modes
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| Brand | SARUNN ER | Generic | Domhong | Melilinkcn | Domhong | |
| Model | R5 SIZE 8 | |||||
| Color | ||||||
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| Price | $10.08 | $22.80 | $29.99 | $29.99 | $29.99 | $22.99 |
| Seller | Sunsky | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 1, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.62 x 3.62 x 1.22 inches | 3.26 x 3.26 x 1.1 inches | 4 x 3.14 x 1.25 inches | |||
| item_weight | 3.2 ounces | 3.7 ounces | 3.17 ounces | |||
| batteries | 1 A batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |||
| standing_screen_display_size | 0.1 Inches | 1 Centimeters | 1 Centimeters | |||
| memory_storage_capacity | 64 MB | 128 KB | 64 MB | 512 KB | ||
| date_first_available | April 21, 2025 | April 8, 2025 | April 21, 2025 | April 8, 2025 | ||
Smart Ring with Health Monitoring and Multiple Sports Modes
Reviews
Marcin Bianchi
March 9, 2025
Andrzej Gallo
January 15, 2025
Matthew Garcia
December 21, 2024