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Android Central
Android Central
Technology
Michael L Hicks

Circular Ring 2 will add ECG readings and 8-day battery life — at a cost

Circular FDA
A press photo of the silver Circular Ring 2 floating above a flower bud.

What you need to know

  • Circular revealed its new Ring 2 smart ring at CES 2025 on Sunday.
  • Its key feature is an FDA-approved ECG for detecting AFib, with promises for future heart health tools.
  • It starts at $349, ships in four colors, and is the first Circular ring with rounded edges, women's health tracking, and a digital sizing phone tool.
  • The Circular Ring 2 won't have haptic feedback, a signature feature for the brand, though it should come back in future versions.
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