Oura Ring 5
The world’s smallest smart ring, now even better. Now 40% smaller with a titanium design and up to 9 days of battery for sleep, activity, stress, heart health, and recovery.
Reactions (1)
Similar products
by description similarity
Oura Ring 4
ouraring.comSlimmer design, improved accuracy, and more sizes
Google Fitbit Edge
blog.googleGoogle’s smartest fitness tracker ever with 7-day battery
RingIt
ringit.appNever lose your phone again
I engineered a 2mm micro-bearing D20 ring that free-spin for 20 seconds
news.ycombinator.comOver the past few months I’ve been experimenting with how small a functional bearing-based mechanism can get while still feeling smooth, durable, and useful.
A 2mm micro-bearing ring that spins like a real fidget spinner
news.ycombinator.comMy motivation was pretty simple: every “spinning ring” I tried felt a bit fake.