Ultra-Light Smart Ring for Sleep & Fitness
£40.39 inc. VAT (£33.66 ex. VAT)
- Premium quality at just £40.39 inc. VAT
- Free UK delivery on all orders
- 30-day no-quibble returns policy
- Secure checkout with buyer protection
Why Choose Ultrahuman
Unparalleled Comfort and Design
Meet the Ultrahuman Ring Air, engineered to be the world's lightest sleep tracking wearable. Weighing as little as 2.4 grams and boasting a sleek 2.4mm thickness, it provides a 'barely-there' feel that makes it perfect for continuous 24/7 wear. Crafted from aerospace-grade titanium and reinforced with a tungsten carbide coating, it easily withstands the rigours of daily life, workouts, and swimming without compromising your personal style.
Subscription-Free Insights for Life
Unlike other premium wearables on the market, the Ultrahuman Ring Air champions a transparent, customer-first approach. Your purchase includes a lifetime free subscription to the Ultrahuman app. Access comprehensive data on your sleep architecture, temperature trends, heart rate variability (HRV), and movement index without ever worrying about hidden paywalls or recurring monthly fees.
Advanced Biomarker Tracking
Packed with clinical-grade sensors, the Ring Air monitors your body's vital signals with pinpoint precision. The proprietary Sleep Index decodes your nightly rest, while the Recovery Score helps you understand your body's readiness for the day. With up to 6 days of battery life on a single charge, you get uninterrupted, continuous health monitoring that empowers you to make informed lifestyle decisions.
Technical Specifications
- 2.4g - 3.6g (size dependent)
- 2.45 mm
- Aerospace-grade Titanium
- Up to 6 Days (15mAh - 24mAh)
- 1.5 to 2 hours (0-100%)
- Up to 100 metres (10 ATM)
- Bluetooth 5.0 Low Energy
- PPG, Skin Temp, 6-Axis Motion
Price Comparison
See how our price compares across UK retailers
| Retailer | Price | Delivery | Warranty |
|---|---|---|---|
| Ultrahuman UKBEST | £40.39 | FREE | 12 months |
Prices checked 8 May 2026. Prices may vary.
Customer Reviews
I switched from a well-known competitor purely because I was sick of the £6 monthly fee. The Ultrahuman Ring Air is noticeably lighter, the app is brilliant, and the sleep insights are just as, if not more, accurate. Best wearable decision I've made.
Ordered on a Tuesday, sizing kit arrived Wednesday, submitted my size Thursday, and had the ring by Friday. Incredible UK service. The titanium finish looks incredibly sleek, and it barely feels like I'm wearing anything.
As a physician, I appreciate the granularity of the HRV and skin temperature data. It's an excellent tool for monitoring baseline health without the bulk of a smartwatch. The lifetime free app model is highly commendable.
The ring itself is fantastic—super light and the 6-day battery is a lifesaver. My only minor gripe is that the charging dock feels a bit lightweight and can easily be knocked off the bedside table. Otherwise, a stellar product.
I could never sleep with a watch on, but the Ring Air is so thin (2.4mm) I completely forget it's there. The morning recovery score has really helped me adjust my training schedule at the gym.