Natura unveils $99 Interface smart ring designed for AI agents

Natura, an AI and hardware startup, has launched Interface, a $99 smart ring designed for the era of AI agents. With a press of a finger, users can summon an AI agent to complete tasks or capture thoughts without reaching for their phone. The ring also tracks heart rate, resting heart rate, HRV, sleep stages, daily activity, steps, and skin temperature.

Interface works with a range of AI agents and apps, including Meta's Muse, Instinct, Grok Bot, Claude, and ChatGPT. Responses can be delivered through connected earphones, iPhone Live Activities, or the NatureOS app. Users can also assign specific tasks to different agents.

The company was founded by Carlo Edoardo Ferraris, who previously founded Rolling Square. Natura previously released AI-enabled earbuds called HumanPods. Preorders are expected to open in November 2026, with shipping slated for December 2026 or January 2027.

After an initial three-to-six-month free period, Natura plans to charge a $9 monthly subscription. The ring lasts six to 12 days on a full charge and takes 100 minutes to recharge. Natura says the low launch price is meant to lower the barrier to entry and drive adoption in a market that includes health-focused rivals like Oura and AI-focused ones like Pebble and Vocci.