91 'Oura ring 4' For Sale in Singapore

Brand new, unopened Oura Ring 4 in Stealth (matte black), size 9. Genuine replacement unit received directly from Oura. Never opened, activated or worn. Selling because I’m switching to a different wearable. Original sealed packaging. Please confirm your Oura Ring 4 size before purchasing. This is an Oura warranty replacement, not a retail purchase with a new full warranty. I cannot promise transferable manufacturer warranty coverage. Meet-up near Greenwood Avenue, Singapore. Delivery can be arranged at

- Oura Ring Gen 4 - Rose Gold not in production anymore - Size 9 - Warranty till 11 August 2027 - Sealed - Doesnt include box and charger

- Oura Ring Gen 4 - Color: Rose Gold - Size: 9 - Charger, wire and original box included - Bought in December 2025

Oura Gen 4 Ring (Size 6) in brushed titanium Comes with OG box and all accessories including charging pad and a brand new charging cable. Factory re-setted and all data's been wiped

Selling an under utilised health ring from Oura Size 11 Sanitised and placed in the box. 100% functional. Comes w full set (charger and wire) Slight scratches on charger

Severely under utilised. Feel free to PM for more photos. Still having ongoing membership till 13th March 2027.

OURA - new opened box

- Model: Oura Ring 4 - Size: 6 - Condition: Brand new, sealed, unopened and untouched - Includes: Original box - Fulfillment: Ready for immediate pickup or shipping

- Oura Ring Gen 4 - Color: Stealth Noir Mat (premium finish) - Size: 8 - Includes: Original packaging and charging cable. - Condition: 7/10, some scuff on the underside, not noticeable when ring is worn normally (see third picture) - only 3~ months old, selling as using Oura Ring 5

- Oura Ring Gen 4, with charger and sizing kit - Perfect battery health (7days) - Minor scratches from use - No box - Selling bc i want to upgrade to 5

Brand New in box - Oura Ring 4, Silver , Size 6. Authentic Oura Ring. Discount for fast deal. Please top up for delivery. Sincere buyers only.

Oura Ring Gen 4 in Gold Size 7 Lightly used for a few months but no obvious scratches or defects (picture zoomed in to show ring, less obvious when worn) Battery life around 4-5 days Comes with charger RP $600 Selling as I want to upgrade to Gen 5!

Authentic, brand new in box (BNIB) Oura Ring 4 in the premium Stealth (brushed matte black) finish, Size 6. Completely factory sealed and unopened. Letting it go at a heavily discounted price (Local retail is S$599). Reason for selling: Decided to switch tracking wearables and moving over to a smartwatch instead, so this extra set is surplus to my needs. My loss is your gain! Perfect for tracking sleep, recovery, heart health metrics, and daily activity seamlessly without the bulk of a traditional smar

Original price : $ 315

Oura Ring 4 Silver Size 12 Purchased in March 2025 but underused

Ours Ring 4 - Size 5 (Stealth Black) Comes with original box and dock charger Bought in June 2025 under warranty

- Brand new Oura Ring 4 - Color: Black - Size: 8 - For advanced health tracking - Discreet and stylish design - Unopened, box is sealed No receipt or warranty as it's a gift Slightly negotiable for fast deal

- Oura Ring Gen 4 - Size 10 - there some use marks there , functional wise is perfect , battery about 3 days - Includes third party charger and original box - Tracks sleep, activity, and readiness - Provides insights into body recovery and performance - Sleek and stylish design

- Oura Ring 4 - Size 11 - Gen 4 model - Includes original box - Includes charger Changing to oura5

- Model: Oura Ring 4 - Color: Brushed Silver - Size: 9 - Condition: Used with visible surface scratches from daily wear - Includes: Original box - Important Note: Ring is marked disabled and shows a lock screen in the Oura app as this was a replacement ring from previous owner. However, you can still use the ring and app, just have to close and reopen the app. Not for fussy buyers.

Brand new in sealed box. I have the sizing kit if you want to try a size 6 before you buy.

It’s an Oura Ring 4 size 10. I got whoop therefore selling it.

SEALED. BRAND NEW. UNOPENED. OURA RING 4 SIZE 11 BLACK If this listing is up, it means it’s available. $10 discount if collect at Serangoon Stadium RFS: Received as a credit card promo gift, don’t need as I have apple watch

Selling one lightly used for 2 months Oura Ring Gen 4, size 6, color black. It was bought for me as a gift, but I don’t use it enough, hence letting it go to someone who can put it to use. No receipt, bought in person at one of the SG stores (not sure which) Comes with full set (charger and wire) Retails for $ 550

Selling my Oura Ring 4 to upgrade to the Ring 5. Worn for 2 months, fully functional with light surface scuffs from normal daily wear. All original accessories included.

- Product: Oura Ring 4 - Color: Silver - Size: 7 - Condition: Brand new in box, factory-sealed in original box with tamper tabs intact - What's included: Ring and charging cable - Features: Tracks sleep, readiness, and daily activity - Fulfillment: Ready for immediate pickup or shipping

- Oura Ring Gen 4 - Colour: Rose Gold - Size: 6 - Brand new and unopened in box - Includes: Charger, USB cable, Information booklet

- Oura Ring 4 - Color: Silver - Size: 8 - Tracks: Sleep, Activity, Readiness - Syncs with Oura App - Bought Feb 2026 from Metapod SG (see last photo) - Local set - Includes: Ring, Charger, Original Box, unused cable - Condition: Normal wear with scratches (as per photos).

- Oura Ring Gen 4 - Color: Brushed Silver - Size: 5 - Tracks: Sleep, Activity, Readiness - Condition: Good, used for a few months - Includes: Charger

Selling the Oura Ring 4 Ceramic version for my wife, she has upgraded to the new version hence selling. Used less than a year with no visible scratch or damage.

Brand new, unopened after replacement.

Oura Ring 4 — Silver | Size 6 Selling my Oura Ring 4 in silver, size 6. Ring is in good condition with light wear — sensors and all functions work perfectly, battery needs to be charged every 2 days. Comes complete with the box. Charger needs to be purchased separately - price of the charger is about $35-$60 depending on which one you get ✦ Model: Oura Ring 4 (Gen 4) ✦ Color: Silver ✦ Size: 6 ✦ Condition: Good — light wear, fully functional ✦ Includes: Ring, original box Note: The Oura membership is tie

Upgraded to gen 5 4-5days battery

Oura Ring Gen 3 Heritage Silver US 6 size Comes with charger Bought September 10, 2024 Used for 1 year RFS: updater to oura ring 4 DISCLAIMER: doesn’t come with oura ring subscription, this one needs to be bought by the owner through the Oura site. The Oura Ring Generation 3 is a titanium smart ring designed for 24/7 health tracking. It monitors sleep stages, heart rate, heart rate variability (HRV), body temperature, blood oxygen (SpO2), and daily activity. It requires a companion smartphone ap

Oura Ring 4 - Size 8. Comes in original packaging. The ring is silver-toned and has a sleek, modern design. The charging base is grey with a green indicator light.

Oura Ring 4 – Black | Size 9 Model: Oura Ring 4 Colour: Black Suitable for sleep, activity, readiness and health tracking Comes with original accessories/box: Charger and original box

Brand new Oura ring 4 size 11, upgrading to Oura ring 5. That’s why selling this one

bought in July 2025 less than 1 year. battery life still up to 6 days. see picture for condition. signs of wear full box and original accessories included. - Oura Ring Gen 4 Silver - Tracks sleep, activity, and readiness - Monitors body's recovery and stress levels - Sleek, minimalist design - Includes charger cable and original box - Ideal for athletes and wellness enthusiasts

Looking to trade for either a size 9 or a size 8. Would consider selling at $150. Not Fitbit Apple Samsung Garmin

Hi, I have a spare Oura Ring 4 Charger that it’s no longer in used. It’s mean for size 10 rings and it’s working great. Good spare charger for traveling or as replacement for old defective charger.

Selling a brand new Gen4 OuraRing - in original packing, unopened Size: 10 Colour: black, matt finish Never worn (replacement ring for my old one) Battery life: 7 days Gender: all New price for this products: USD 349 (SGD 443) Buyer can open the package first time during hand over In case you aren’t sure about the right size, I have a size tester kit as well

- Oura Ring Gen 4 - Color: Gold - Size: 8 - Tracks sleep and activity - Includes USB cable and information booklet - Designed in Finland - Compatible with Oura app

Oura Ring 4 sizing kit - used once to trial the size