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oura 4 in Smart Rings (41)

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Oura Ring 5 sizes are different from U.S standard sizes. Find your size before you buy.

The Oura Ring 5 sizing tool is available in most Best Buy stores and the sizing kit is available online.

Give the gift of Oura Ring 5

Help a friend or loved one track their wellness by giving them an Oura Ring 5 gifting sizing kit or a package including a sizing kit and a Best Buy Gift Card in an amount equal to the price of an Oura Ring 5.

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Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8 - Silver - (2026)
+3 more
Rating 4.8 out of 5 stars with 750 reviews
$399.00
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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Gold - (2024)
+5 more
Rating 4.6 out of 5 stars with 4235 reviews
$399.00
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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Silver - (2024)
+3 more
Rating 4.6 out of 5 stars with 4235 reviews
$349.00
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Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8 - Gold - (2026)
+3 more
Rating 4.8 out of 5 stars with 750 reviews
$499.00
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Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Cloud - (2025)
+6 more
Rating 4.6 out of 5 stars with 515 reviews
$399.00
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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Stealth - (2024)
+5 more
Rating 4.6 out of 5 stars with 4235 reviews
$349.00
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Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Midnight - (2025)
+5 more
Rating 4.6 out of 5 stars with 515 reviews
$399.00
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Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Brushed Silver - (2026)
+3 more
Rating 4.8 out of 5 stars with 750 reviews
$499.00
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Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 10 - Black - (2026)
+3 more
Rating 4.8 out of 5 stars with 750 reviews
$399.00
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Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8 - Deep Rose - (2026)
+3 more
Rating 4.8 out of 5 stars with 750 reviews
$499.00
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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Rose Gold - (2024)
+4 more
Rating 4.6 out of 5 stars with 4235 reviews
$399.00
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Oura - Ring 4 Gifting Sizing Kit - Unique Sizing - Give the gift of health - White - (2024)
Rating 4.9 out of 5 stars with 63 reviews
Clearance
$5.99
Save $4.01
The comparable value is $10.00
Pick up Wed, Sep 9
Get it by Sat, Sep 5 • $3.99
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Related to your search

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8 - Gold - (2026)

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8 - Gold - (2026)

$499.00$49900

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 9 - Silver - (2026)

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 9 - Silver - (2026)

$399.00$39900

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Stealth - (2026)

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Stealth - (2026)

$499.00$49900

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 9 - Black - (2026)

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 9 - Black - (2026)

$399.00$39900

1 month membership included
Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Black - (2024)
+1 more
Rating 4.6 out of 5 stars with 4235 reviews
$349.00
Pickup unavailable
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Oura - Ring 4 Sizing Kit - Size Before You Buy the OR4 - Unique Sizing - White - (2024)
Rating 4.8 out of 5 stars with 402 reviews
Clearance
$8.49
Save $1.51
The comparable value is $10.00
Pick up Wed, Sep 9
Get it by Sat, Sep 5 • $3.99
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1 month membership included
Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Brushed Silver - (2024)
Rating 4.6 out of 5 stars with 4235 reviews
$349.00
Pickup unavailable
Get it tomorrow • FREE
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1 month membership included
Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15 - Petal - (2025)
Rating 4.6 out of 5 stars with 515 reviews
$399.00
Pick up Wed, Sep 9
Get it by Fri, Sep 4 • FREE
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Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Tide - (2025)
Rating 4.6 out of 5 stars with 515 reviews
$399.00
Pick up Wed, Sep 9
Get it by Fri, Sep 4 • FREE
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Oura - Refurbished Excellent - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Black - (2024)
Syndicated rating, 4.181818 out of 5 stars with 11 reviews on ouraring.com.
(11 reviews from ouraring.com)
$319.99
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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7
$399.00
Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10
$349.00
Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9
$349.00
Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6
$399.00
Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 14
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The price was $510.52
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 9
$399.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8
$499.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 7
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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15
$399.99
The price was $463.30
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 6
$499.00
Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8
$399.00
Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8
$349.00
Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15
$399.00
Oura - Ring 4 Gifting Sizing Kit - Unique Sizing - Give the gift of health
Clearance
$5.99
The price was $10.00
Oura - Ring 4 Charger - Size 7 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days
$59.00

Best selling Smart Rings

Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 9
$399.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11
$399.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 10
$499.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 8
$399.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 12
$499.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 7
$499.00
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 13
$499.00
Samsung - Galaxy Ring – Size Before You Buy – Size 12
$399.99
Samsung - Galaxy Ring – Size Before You Buy – Size 13
$399.99
Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9
$399.00
Samsung - Galaxy Ring – Size Before You Buy – Size 11
$379.95
The price was $399.99
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 6
$399.00
Oura - Ring 5 Gifting Sizing Kit - Unique Sizing - Give The Gift of Health
$10.00
Samsung - Galaxy Ring – Size Before You Buy – Size 7
$399.99
Samsung - Galaxy Ring – Size Before You Buy – Size 8
$399.99

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