Circular claims to have created the world's thinnest and lightest smart ring — as well as the first to use haptic navigation.
Circular Smart Ring Slim, The Slimmest and Lightest Smart Ring Launches - Tech on the Go
Apple's Smart Ring: A Revolution at Your Fingertips
boAt drives Wearable Revolution, with its First Smart Ring - Mobility India
Frontiers Haplets: Finger-Worn Wireless and Low-Encumbrance Vibrotactile Haptic Feedback for Virtual and Augmented Reality
Oura Ring 3: First Impressions After A few Days
VELIA Smart Ring
This smart ring claims to be the lightest ever — and the first with haptic navigation
Circular Smart Ring Slim Review
Oura Ring 3: First Impressions After A few Days
Ice Ring gives 24/7 health tracking the finger