SIMDOO Ring for Women Men - Fitness & Sleep Tracker, 24/7 Heart Rate & Blood Oxygen, Ceramic Finish, 5ATM+IP68 Waterproof, 5-Day Battery, No Subscription
SIMDOO Ring for Women Men - Fitness & Sleep Tracker, 24/7 Heart Rate & Blood Oxygen, Ceramic Finish, 5ATM+IP68 Waterproof, 5-Day Battery, No Subscription
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SIMDOO

SIMDOO Ring for Women Men - Fitness & Sleep Tracker, 24/7 Heart Rate & Blood Oxygen, Ceramic Finish, 5ATM+IP68 Waterproof, 5-Day Battery, No Subscription

|14 ratings
SIMDOO Ring for Women Men - Fitness & Sleep Tracker, 24/7 Heart Rate & Blood Oxygen, Ceramic Finish, 5ATM+IP68 Waterproof, 5-Day Battery, No SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery SubscriptionSIMDOO Ring Women Men Fitness Sleep Tracker 24 7 Heart Rate Blood Oxygen Ceramic Finish 5ATM IP68 Waterproof 5 Day Battery Subscription
Ring Size8
Actual ColorCeramic

Key item features

  • 📏 Find Your Fit: Check Sizing Guide Before Ordering • For optimal comfort and accurate sensor performance, we recommend reviewing our sizing guide to find your perfect fit.
  • 🔄 All-Day Wellness & Activity Tracking • Automatically tracks daily activity, sleep patterns, and readiness scores to help you understand your body's trends.
  • 💓 Wellness Metrics & Trend Insights • Observes key body signals to provide you with insights into your overall wellness and recovery trends.
  • 📈 Healthy Habit Support • Helps you log daily wellness habits like water intake to support an active lifestyle.
  • ⚡ 5-Day Battery & Fast Charging • Lasts about 5 days on a charge (varies with use) and recharges fully in ~30 minutes via magnetic cable.
  • 💎 Durable & Waterproof Design • Built with stainless steel, epoxy resin, and an IP68 rating for comfort and durability in daily life.
  • 📱 Smart App with Notifications • Free app syncs via Bluetooth 5.0, supports 20+ languages, and shows call/message alerts.
  • 🔋 Portable Charging Case Included • Comes with a convenient charging case for power and storage on the go—no subscription required.

About this item

Product details

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Customer ratings & reviews

3.6 out of 5 stars
stars
14 ratings5 reviews
How item rating is calculated
  1. 5 stars29% (4)
  2. 4 stars29% (4)
  3. 3 stars21% (3)
  4. 2 stars14% (2)
  5. 1 star7% (1)
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Showing 1-3 of 5 reviews

Jun 26, 2026
Reviewer name: tahoe
Top Reviewer
Item details
Ring size: 10
Color: GOLD
Sold and shipped byIon Lane
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy way to help monitor basic vital signs, sleep, routines, etc., etc.

Helpful?185WREX4ELQ019877516411
Jun 15, 2026
Reviewer name: BOB
Top Reviewer
Item details
Ring size: 12
Color: BLACK
Sold and shipped byIon Lane
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

Disappointed.

Not quite what I was expecting, bulky, Bluetooth connection not consistent. App is not dependable work about little over have the time.

Helpful?185WREX4ELQ019877516411
Aug 21, 2026
Reviewer name: anonymous
Item details
Ring size: 9
Color: BLACK
Sold and shipped byIon Lane
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

It's the wrong size and it will not connect

Helpful?185WREX4ELQ019877516411
Current price is $36.99
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31

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Arrives between Oct 29 - Nov 2
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Sold and shipped by Ion Lane
3.9 out of 5 stars
3.9 stars out of 5, based on 10 seller reviews(3.9)
Extended holiday returns
Free Holiday returns until Jan 31