How long should my ring work between charges?

Oura Ring 4 typically lasts 5-8 days on a full charge, depending on usage. Contact Oura Member Care if you have questions or concerns with battery life, and they will ensure your problem is resolved

How do I choose the right Oura Ring size?

Using the Oura Ring 4 Sizing Kit, choose a finger for your ring. We recommend the index, middle or ring finger. Wear the sizer ring for 24 hours to ensure the fit is secure and comfortable over the course of your day.

Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable.

How do I see my Oura Ring metrics?

After activating your Oura Ring, you can choose a monthly or annual membership to unlock full access to Oura’s features, daily health and wellness metrics, and personalized guidance.

Can I use more than one ring?

Oura Members can now connect more than one Oura Ring 4 to their Oura App and quickly switch between them. Note, this feature only supports wearing and syncing data from one active Oura Ring at a time.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Oura Ring 第4世代スマートリング – ゴールド – サイズ5 |iPhone/Android対応 |まずはサイズ確認:専用サイズキット対応|睡眠・心拍・フィットネスを計測|最長8日間バッテリー持続

Oura Ring 第4世代スマートリング – ゴールド – サイズ5 |iPhone/Android対応 |まずはサイズ確認:専用サイズキット対応|睡眠・心拍・フィットネスを計測|最長8日間バッテリー持続

Product ID: 734025453

Details

オペレーティングシステム
[Proprietary
ワイヤレス通信規格
ブルートゥース
接続技術
Bluetooth USB
特徴
活動量計
電池の種類
リチウムポリマー

⏳8-day battery life

💤30+ biometric sleep & health metrics

💪Aerospace-grade titanium durability

€ 523.61

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Description

💍 Elevate your wellness game with the ring that knows you best.

DISCREET MINDFUL - No screen, no vibrations—just silent, seamless health insights that keep you in the zone and ahead of the curve.
LONG LASTING FREEDOM - Up to 8 days of battery life means less charging, more living—stay unplugged and on the move.
PERFECT FIT GUARANTEE - Exclusive sizing kit ensures your Oura Ring fits flawlessly, plus enjoy ¥1,500 desertcart credit on purchase.
EFFORTLESS ALL DAY WEAR - Sleek, lightweight titanium design with 100m water resistance for continuous 24/7 use without discomfort.
PRECISION HEALTH TRACKING - Monitors 30+ biometrics including sleep, heart rate, stress & women’s health with adaptive smart sensing.

The Oura Ring 4 is a next-gen smart ring crafted from aerospace-grade titanium, designed for millennial professionals seeking precise, 24/7 health insights. It tracks over 30 biometric signals including sleep, heart rate, and stress, with adaptive sensing technology. Featuring up to 8 days of battery life and 100m water resistance, it offers a comfortable, durable, and discreet wearable experience. Comes with a dedicated sizing kit for a perfect fit and supports both iPhone and Android devices.

Specifications

ASIN	B0D9WVQRN9
Amazon 売れ筋ランキング	スポーツ＆アウトドア - 16,605位 ( スポーツ＆アウトドアの売れ筋ランキングを見る ) 活動量計 - 36位
GPS位置情報タグ機能	No GPS
OS1	[Proprietary or customized operating system]
おすすめ度	4.1 5つ星のうち4.1 (1,291) var
お客様の年齢層	大人
ウェアラブルコンピュータの種類	スマートリング
カラー	ゴールド
コントローラーの種類	リング。
スタイル名	チタン
タッチスクリーン、声認識、他の有無	ボタン
バッテリーセルタイプ	リチウムポリマー
バッテリ平均持続時間	8 日
バンド色	ゴールド
ブランド名	OURA
メーカー名	Oura
ワイヤレス通信規格	ブルートゥース
互換デバイス	Tablet, スマートフォン
保証内容	2年間保証
充電時間(H)	80 分
原産国	エストニア
取替え可能電話機モデル	Android Devices, iOS Devices
同梱商品	1 x Ouraリング第4世代, 1 x USBケーブル, 1 x クイックスタートガイド, 1 x 取扱説明書, 1 x 本体充電器
品目の寸法（D x W x H）	26奥行き x 26幅 x 7高さ mm
商品の対象	Unisex Adults
商品の追加説明1	活動量計
商品本体サイズ	26 x 26 x 7 mm
型番	JZ90-54216-05
容器の材質タイプ	チタン
対応する衛星測位システム	GPS
形状	円形
測定器の種類	Blood Oxygen (SpO2), Heart Rate, Sleep Duration, Stress
通信・接続インターフェース	Bluetooth, USB
防水タイプか否か	耐水

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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€ 523.61

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

Oura Ring 第4世代 スマートリング – ゴールド – サイズ5 |iPhone/Android対応 |まずはサイズ確認:専用サイズキット対応|睡眠・心拍・フィットネスを計測|最長8日間バッテリー持続

Details

Details

Description

Specifications

Common Questions

Oura Ring 第4世代スマートリング – ゴールド – サイズ5 |iPhone/Android対応 |まずはサイズ確認:専用サイズキット対応|睡眠・心拍・フィットネスを計測|最長8日間バッテリー持続