Natura unveiled Interface, a $99 smart ring that routes voice commands to AI agents including Claude, ChatGPT, Grokbot, and Meta's Muse and Instinct. Pre-orders are expected to open next month, with shipping slated for December or January. Founder Carlo Edoardo Ferraris, who previously started tech accessories company Rolling Square, pitched the ring as a hands-free way to reach a personal agent without pulling out a phone.
The ring doubles as a health tracker, monitoring heart rate, resting heart rate, heart rate variability, sleep stages, daily movement, step count, and skin temperature. Natura says it runs 6 to 12 days on a charge depending on usage and takes 100 minutes to fully recharge.
Interface is not Natura's first device. The company previously shipped HumanPods, AI-enabled earbuds for interacting with agents, but concluded a different form factor was needed as voice technology advanced.
Key facts
- 01Interface launches at $99 with pre-orders expected next month and shipping in December or January.
- 02The ring connects to Meta's Muse, Instinct, Grokbot, [Claude](/claude), [ChatGPT](/openai) and other agents at launch.
- 03Battery life runs 6 to 12 days on a full charge, with a 100-minute recharge time.
- 04Natura plans a $9 monthly subscription after an initial three- to six-month free period.
Users can assign tasks across multiple agents — for example, asking Claude to write code, Instinct to book a reservation, and Grokbot to handle something else. Responses are delivered through connected headphones, an iPhone Live Activity, or the NatureOS app. Ferraris said the ring can also control devices including computers, which he expects AI agents to increasingly operate on behalf of users.
Natura plans to raise the price after launch but wants to seed adoption first. After an initial three- to six-month free period, the company will charge a $9 monthly subscription. Ferraris said manufacturing costs are comparable to those of the Oura Ring and Samsung Galaxy Ring because of shared components, but Natura is pricing lower to lower the barrier to entry.
The smart ring category already includes health-focused devices from Oura, Ultrahuman and RingConn, and AI-focused rings from Pebble and Vocci. Ferraris argued Interface combines both while keeping the hardware small and the battery long, which he called vital for a device meant to be worn continuously.
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