Photos show this exact unit, including any signs of use.
Oura Ring 4 Smart Ring Size 9 Black Sleep Fitness Activity Heart Rate Tracker
- ShippingDepends on item size and packaging.
- Local pickupAvailable in Taylorsville, UT.
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Same unit, same SKU.
eBay$11 more than TamDo.us$167
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- Real photos
- Tested in Utah
- Ships in 2–4 business days
- 14-day limited returns
Description
SKU#31713- This product is in "Good condition", may have signs of use/surface marks. Reference pictures to see what accessories are included in this listing.
The Oura Ring 4 is Next-Generation smart ring engineered with Smart Sensing technology for accurate health monitoring. Crafted with an sleek all-titanium exterior and recessed internal sensors, this Size 9 Black ring delivers 24/7 biometric tracking for sleep quality, heart rate, blood oxygen, daily activity, and readiness scores.
Designed with improved sensor accuracy and all-day comfort, it automatically detects workouts, measures stress trends, and monitors sleep stages. It syncs seamlessly via Bluetooth with the Oura App on iOS and Android to provide personalized health data and recovery insights.
A lightweight, stylish, and durable wearable solution for non-intrusive activity tracking and continuous wellness analysis.
Included and condition
Included
- Oura Ring 4 Smart Ring
- User manual
- Charging cable (if included)
- Box not included for used items
Condition
- Graded Good. Use the listing photos for final cosmetic review.
- Cosmetic wear is referenced in the listing. The product photos should be part of your final condition review.
Confirm exact contents in the product photos. Accessories vary per unit.
Product overview
Discover the Oura Ring 4 Smart Ring, Size 9 in Black, available now at TamDo.us. This pre-owned device is in good condition, featuring a sleek titanium design and advanced health tracking capabilities. With 24/7 biometric monitoring, it tracks your sleep quality, heart rate, and daily activity, ensuring you stay informed about your health. Each ring may show signs of use, so please reference the real product photos for a closer look. We offer 14-day returns on material defects or items significantly different from the listing.
Key features
- Size 9, Black titanium finish
- Sleep and fitness tracking capabilities
- Heart rate and blood oxygen monitoring
- Water-resistant design
- Battery life up to 7 days
Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship within 2–4 business days with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Good to know before you buy
Still unsure? Text (385) 715-6888 with SKU 31713What is the battery life of the Oura Ring 4?
The Oura Ring 4 has a battery life of up to 7 days.
Is the ring water-resistant?
Yes, the Oura Ring 4 is designed to be water-resistant.
What condition is the ring in?
This pre-owned ring is in good condition with possible surface marks.
Are accessories included with the purchase?
Please check the product photos for details on included accessories.
What is your return policy?
We offer a 14-day return policy for your peace of mind.
How long does shipping take?
We ship within 2–4 business days from Utah.
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