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Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Story
Circular Ring 2 entered the smart-ring market with sleep and activity tracking, raising over $4M in 2025.
The Pitch on Kickstarter
Circular Ring 2 appeared on Kickstarter in 2025. Circular pitched the product to the audience. $4.08M raised.
Where they are now: Shipping; sold via Circular
Frequently Asked Questions
Is Circular Ring 2 still in business?
Shipping; sold via Circular
Who founded Circular Ring 2?
Circular Ring 2 was founded by Circular.
Did Circular Ring 2 get a deal on Kickstarter?
Yes — $4.08M raised.
Where can I buy Circular Ring 2?
Circular Ring 2 is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
Related from Kickstarter
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