Oura
Ring 4
All-titanium smart ring with Smart Sensing.
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Free delivery
This product includes free worldwide delivery in 3-5 days.
Same-day delivery
Pay 8 USDT for same-day delivery if you order before 12pm local time
Warranty
12-month official manufacturer warranty.
Genuine and brand new
Sealed products from authorised channels.
Overview
Oura Ring 4 is made of titanium inside and out, with sensors recessed into the band and Smart Sensing that adapts to your finger for accurate, continuous data. It is 7.9 mm wide, weighs 3.3 to 5.2 g depending on size, is water resistant to 100 m and lasts up to 8 days on a charge. Track sleep, readiness, activity, heart rate, HRV, blood oxygen, temperature trends and stress in the Oura app. Full insights need an Oura Membership, sold separately.
Specifications
- Width
- 7.9 mm
- Thickness
- About 2.88 mm
- Weight
- 3.3 to 5.2 g, depending on size
- Material
- Titanium exterior and interior, sensors recessed 0.3 mm
- Sizes
- 4 to 15
