Review
Circular Ring 2: $4 Million Raised, Zero Trust Earned
The Circular Ring 2 raised $4 million on Kickstarter while the company was already insolvent. What 13,000 backers got: a …
Circular
French smart ring company (Circular SAS) that launched the Circular Ring and Ring Slim before the Circular Ring 2. The company entered judicial liquidation in October 2025.
Devices (1)
Circular Ring 2
Smart Rings
A Kickstarter-funded titanium smart ring with FDA-cleared ECG — from a company now in judicial liquidation.
$379.00
Available