SARUNN ER 762833974445 Smart Ring with Health Monitoring: Diverse health monitoring
Meet the SARUNN ER Smart Ring—your new health sidekick that doesn't play favorites, working seamlessly with both iPhone and Android. It's like having a mini health lab on your finger, keeping tabs on everything from how well you sleep (or don't) to your steps, heart rate, blood oxygen, and even blood pressure. And the best part? No sneaky subscription fees lurking in the shadows. Plus, with its IP68 waterproof rating, this ring laughs in the face of rain, sweat, and even your most ambitious swim goals.
Why you'll love it:
- Health tracking that doesn't clock out—day or night, it's on duty, offering insights into your sleep that might make you reconsider that midnight snack.
- Battery life that puts your smartphone to shame—up to 5 days on a single charge, or stretch it to a month with the handy charging case. (Yes, you read that right.)
- So light and slim you'll forget it's there—until it reminds you to move, that is.
- Plays nice with both Android and iOS, because who has time for compatibility drama?
Features
- Intelligent sleep tracker
- Long battery life
- 90-meter waterproof
- No subscription fees
- Diverse health monitoring
General specs
- Brand: SARUNN ER
- Model: 762833974445
- Seller: Amazon
- ID: B0F94D75KX
- package_dimensions: 3.62 x 3.54 x 1.26 inches
- item_weight: 3.52 ounces
- batteries: 1 A batteries required. (included)
- standing_screen_display_size: 0.1 Inches
- waterproof_depth: 90 meters
- First listed by seller: 7/17/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
#publicidad
$38.00
Last price update: 11/9/25
Out of stock
Price History for seller Amazon
Shipping options
Delivery to 
United States
United States
Available
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| Brand | SARUNN ER | Weyrinice | SARUNN ER | MUNBYN | Generic | |
| Model | 762833974445 | |||||
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| Price | $38.00 | $79.99 | $22.80 | $69.99 | $5.88 | $29.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | November 9, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.62 x 3.54 x 1.26 inches | 4.1 x 3.15 x 1.25 inches | 3.62 x 3.62 x 1.22 inches | 3.1 x 2.8 x 1.97 inches | ||
| item_weight | 3.52 ounces | 3.2 ounces | 3.2 ounces | 3.2 ounces | ||
| batteries | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | Nonstandard Battery batteries required. | ||
| standing_screen_display_size | 0.1 Inches | 0.1 Inches | 0.1 Inches | 12 Millimeters | 1 Centimeters | |
Smart Ring with Health Monitoring
$38.00
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