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.Customs & duties included in the price

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Oura Ring 第4世代スマートリング – ローズゴールド – サイズ12 |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 | 睡眠、活動、女性の健康、AIアドバイザー、最大8日間のバッテリー寿命、購入前のサイズ、Android&iOS対応

Oura Ring 第4世代スマートリング – ローズゴールド – サイズ12 |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 | 睡眠、活動、女性の健康、AIアドバイザー、最大8日間のバッテリー寿命、購入前のサイズ、Android&iOS対応

Product ID: 724803681

Details

オペレーティングシステム
Proprietary OS
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

💧100m waterproof durability

🔬30+ biometric sensors

¥120631

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Description

💍 Elevate your wellness game—wear the future on your finger.

LONG LASTING FREEDOM - Enjoy up to 8 days of uninterrupted battery life—stay connected without constant charging anxiety.
PERFECT FIT GUARANTEE - Exclusive sizing kit ensures your Oura Ring fits flawlessly, plus get ¥1,500 desertcart credit for your purchase.
EFFORTLESS ALL DAY WEAR - Ultra-light 3.3g titanium ring designed for 24/7 comfort and durability, even underwater up to 100 meters.
SEAMLESS SMARTPHONE SYNC - Compatible with both iOS and Android devices via Bluetooth for real-time health insights on your favorite apps.
PRECISION HEALTH TRACKING - Monitor 30+ vital biometrics including sleep, heart rate, stress, and women’s health with cutting-edge smart sensing.

The Oura Ring 4 is a sleek, rose gold smart ring crafted from aerospace-grade titanium, offering precise 24/7 tracking of over 30 health metrics including sleep, heart rate, and stress. With up to 8 days of battery life, 100m waterproof rating, and seamless iOS/Android compatibility, it’s designed for professionals who demand accuracy, comfort, and style in one discreet wearable.

Specifications

ASIN	B0D9WTZSXB
Amazon 売れ筋ランキング	スポーツ＆アウトドア - 14,233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 - 30位
GPS位置情報タグ機能	No GPS
OS1	Proprietary OS
おすすめ度	3.9 5つ星のうち3.9 (699) 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	ローズゴールド
スタイル名	メタリック。
タッチスクリーン、声認識、他の有無	不明
ディスプレイの種類	ディスプレイなし
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	ローズゴールド
ブランド名	OURA
メーカー名	Oura
ユニット数	1.0 個
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
保証タイプ	限定保証
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）	23奥行き x 23幅 x 8高さ mm
商品の対象	Unisex Adults
商品の追加説明1	活動量計
商品の重量	3.3 グラム
商品本体サイズ	23 x 23 x 8 mm
型番	JZ90-54219-12
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
防水性能	100 メートル

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

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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¥120631

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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