171 'Oura ring sizing kit' For Sale in Singapore

- Oura Ring 5 sizing kit (sizes 6 to 13) - Includes complete set of dummy sizers - Comes with original box and internal tray - Used for a few days to determine the ring size and still in good condition

Oura ring sizing kit

Make sure to wear for 24 hours before you purchase the Ring. Highly recommended as OURA's sizes differ from normal sizes and human fingers swell based time of the day and humidity. - OURA Ring 5 Sizing Kit - Essential for determining the correct OURA Ring size - Includes a range of sizes for accurate fitting

Have around 10 sets left, all BNIB

Know your size before buying. Only tested once.

Oura Ring Sizing kit, used once

- Oura ring sizing kit - Includes a set of various ring sizers - Comes in original packaging - Ideal for accurately determining ring size - Essential tool for online ring purchases - This is for Ring 4, however I also used it to size up Ring 5 and it works.

Sizing kit for Oura ring Gen 3.

No longer any need for it. $8 for one or take both for $12. Self pick up only.

Oura ring 5 sizing kit 100% authentic Opened up and tested out size 7 only

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 5 . Battery life 7-8 days Still under warranty . Bought directly from Oura ring website .

- 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 sizing kit! Get the kit before deciding if you want to commit to purchasing the Oura

Oura ring Gen 5 Black size 10 BNIB

- 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

Bought for size fit. Fuss free includes tracked mail

- Model: Oura Ring (Stealth / Noir Matte Finish) - Size: 11 - Condition: Lightly used - Included: Original box, charging dock, and USB-C cable - Features: Full set with all original packaging and internal sensors - Self-collection or delivery options available

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

Used once

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

OURA - new opened box

- 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

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!

- 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

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

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

Original price : $ 315

- Oura Ring - Color: Stealth Black - Tracks: Sleep, Activity, Readiness - Includes: Charger - Condition: Used, excellent working condition - Reason for Selling: Upgraded to a new device

- Model: Oura Ring 5 - Color: Deep Rose - Size: 8 - Condition: Brand new, unopened, and factory sealed - Includes: Matching charging case and original retail boxes - Features: Advanced smart fitness and health tracking

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 - 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 Silver Size 12 Purchased in March 2025 but underused

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

- Brand: Oura - Style: Smart Ring in Gold finish - Condition: Excellent, purchased July 2024, used for 1 month - Accessories: Includes silicon ring protector - Original Price: $474 USD - Import Fees Paid: $80 SGD - Features: Discreet fitness and health tracker with interior sensor band

- Model: Oura Ring Gen 3 - Size: 7 - Color: Silver - Condition: Minor scratches for usual wear and tear, as expected to show up within a few weeks of usage - Includes: Original white box, user manuals, and charging dock

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

- Charging puck for Oura Ring Gen 3 and ring size 7 in silver - Features a USB-C port - Fully functional and works perfectly -

Selling the charger as the ring doesn't hold charge anymore (stuck at 1%). Charger still works fine. Comes with orginal packaging.

- 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

- 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 RingConn Smart Ring sizing kit - Unopened and ready to use - Comes with a variety of colored rings