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Startup Natura introduced Interface, a USD 99 smart ring that gives users quick access to AI agents without reaching for a smartphone. Announced on Thursday (October 8, 2026), the wearable combines voice-based task control with health tracking, monitoring metrics such as heart rate, heart-rate variability (HRV), sleep, and activity. The company said the ring is designed to provide AI assistance throughout the day with a press of the ring's button.
Founded by Carlo Edoardo Ferraris, who previously created consumer accessories company Rolling Square, Natura sees the ring as a new interface for interacting with digital assistants. The company plans to open pre-orders next month, with shipments expected in December or January.
The interface is designed to connect users with several AI services rather than locking them into one assistant. At launch, Natura said that the ring will work with services including ChatGPT, Claude, Grokbot, Meta’s Muse and Instinct.
Users can choose which assistant handles a particular task. For example, one agent could handle coding, another could make a booking, and a third could handle another request. Responses can be delivered through connected headphones, an iPhone Live Activity or Natura’s companion app.
“Over time, we evolved to an understanding where you really want to have access to your agents 24/7,” Ferraris said in an interview. “You don’t want to have even one hour of your day where you cannot access them. And the form factor of the ring is perfect for this since it’s basically an extension of you. You can go shower with it; you can sleep with it. You never take it off,” Ferraris added.
Natura wants the ring to handle tasks that would normally require a phone. Users could ask it to track a workout, check their daily schedule, record a thought or meeting, and send notes to a colleague.
The company also envisions the ring controlling connected devices. A user could ask it to turn off a television, set an alarm, or reorder an everyday product like shampoo. The idea is to make these interactions possible through voice requests while keeping the phone out of the process.
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Beyond controlling digital assistants, Interface functions as a health-focused wearable. It tracks heart rate, HRV, sleep, and activity, giving it a role similar to other smart rings already available in the market. Natura previously developed HumanPods, AI-enabled earbuds, but says it moved toward a ring because its form factor allows users to wear it throughout the day and night.
The company ultimately sees Interface as part of a shift toward computing that requires fewer screens. If Natura can make its USD 99 ring reliable for both health tracking and everyday tasks, it could offer a lower-cost entry point into the growing market for AI-enabled wearables.
