Rainbow Rain R09 Smart Ring Heart Rate Blood Oxygen Sleep Monitoring: Heart rate monitoring
Why you'll love it:
- Keeps an eye on your health stats 24/7, because who has time to stop and check?
- So light and comfy, you'll forget it's there—until it reminds you to move.
- Comes with a charging case that's as handy as your morning coffee.
- Designed for all-day wear, because health doesn't clock out at 5 PM.
General specs
- Brand: Rainbow Rain
- Model: R09
- Seller: Joom
- Monitoring Features: Heart rate, Blood oxygen, Sleep
- Included Accessories: Charging case
- Compatibility: Men, Women
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$88.89
Last price update: 6/9/25
Available to order
Shipping options
Delivery to 
United States
United States
Unavailable
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Rainbow Rain R09 Heart rate monitoring
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| Brand | Rainbow Rain | spywkn | Twievo | Kuxlagz | ||
| Model | R09 | M1 | M1 | |||
| Color | ||||||
| Rating |
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| Price | $88.89 | $39.99 | $39.92 | $49.99 | $39.99 | $89.00 |
| Seller | Joom | Gshopper | Gshopper | Amazon | Amazon | Amazon |
| Update | June 13, 2025 | July 25, 2024 | July 25, 2024 | June 27, 2025 | July 18, 2025 | June 27, 2025 |
| Compatibility | Men, Women | Smartphones with Bluetooth | iOS, Android | |||
Smart Ring Heart Rate Blood Oxygen Sleep Monitoring
$88.89
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