Latest · Wearables The Hardware Margin Nobody Talks About: Why Smart Rings Cost $30 to Build and $350 to Buy Smart rings sell for $300 to $500. The parts inside cost roughly $30. That 90% gross margin is not a secret, but nobody talks about it because the real product is not the ring. It is your biometric data stream. James Hoffmann May 21, 2026 · 12 min read Read article Blog
Health technology, privacy-first design, and the research behind what a ring can actually measure.
