Oura Ring 4 Ceramic Smart Ring

Name: Oura Ring 4 Ceramic Smart Ring
SKU: SMA-33887
Price: 424.15 USD
Availability: InStock

In stock — ships free worldwide

High-performance zirconia ceramic exter… · 5–8 days · 4–15. Brand-new — pay with crypto.

$424~~Was $499~~Save $75

≈ 0.006801 BTC+50 more coins

Estimate at the current rate. The exact amount is fixed when you place your order.

FinishCloud

Your configuration · Finish: Cloud

Total$424

Free insured delivery in 5–6 business days

Need it sooner? Express 3–4 business days (+$45). Duties & taxes included.

Orders start at $499. Add $75 more (another item or quantity) to check out.

30-day returns 1-year warranty Secure crypto checkout

Overview

About the Oura Ring 4 Ceramic Smart Ring

Oura Ring 4 Ceramic Smart Ring is one of Oura's most popular wearables this year. The ceramic edition of Oura Ring 4 pairs a zirconia ceramic exterior in four colors with Oura's full sleep, readiness and heart-health tracking. Highlights include High-performance zirconia ceramic exterior and 5–8 days.

At CryptoBitMart the Oura Ring 4 Ceramic Smart Ring ships brand-new and genuine, with a 1-year warranty and 30-day returns.

Why buy the Oura Ring 4 Ceramic Smart Ring with crypto

Checkout takes the coin you already hold. No account and no ID checks, a USD price fixed at checkout, and free, insured, tracked delivery with import duties already paid.

What's in the box

Oura Ring 4 Ceramic Smart Ring
Charging cable
Extra band/strap (where applicable)
Original manufacturer packaging
Quick-start guide & documentation
1-year warranty card

Specifications

Category: Smartwatches & Wearables
SKU: SMA-33887
Material: High-performance zirconia ceramic exterior
Battery: 5–8 days
Sizes: 4–15
Durability: Water resistant
Sensors: Optical HR/HRV, SpO2, temperature sensor, accelerometer
Compatibility: iOS and Android (Oura app)
Finish options: Cloud, Midnight, Petal, Tide
Condition: Brand new · factory sealed
Warranty: 1-year global warranty
Shipping: Free worldwide · fully tracked
Returns: 30-day money-back guarantee
Payment: Bitcoin, Ethereum & 50+ cryptocurrencies
Availability: In stock

Questions

Something else? Ask our team — we reply within a few hours.

Is the Oura Ring 4 Ceramic Smart Ring brand-new and genuine?

Yes. Every product is brand-new, factory-sealed and quality-checked before dispatch, with serial labels intact.

What warranty is included?

A 1-year warranty against manufacturing defects, in addition to your statutory rights. Defective, damaged or incorrect items are replaced or refunded at no cost, including return shipping.

Will I pay customs or import duties?

No. Orders ship Delivered Duty Paid: import duty, VAT/GST and customs clearance are included in the price you pay at checkout, so there's nothing to pay on delivery.

How long does delivery take?

Orders are processed within 24–72 hours of your payment confirming on-chain, then shipped fully tracked and insured with DHL, FedEx, UPS or EMS. Free delivery usually arrives in 5–6 business days; Express and overnight options are available at checkout.

How do returns and refunds work if I paid in crypto?

You have 30 days from delivery to return an item in its original condition. Refunds are calculated in the USD value of your order, so price swings don't affect you, and sent as crypto to a wallet you choose or as store credit.

Which coins can I pay with, and who pays network fees?

Bitcoin, Ethereum, USDT, USDC, Solana, Litecoin, Monero and 50+ more. The crypto amount is locked for a short payment window when you place your order. Network fees are set by the blockchain and paid from your wallet.