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Aina has launched an AI ring with a built-in screen, priced at USD $399. The wearable is the startup's first public consumer product after more than a year of development.
The device is designed to surface suggested actions using information from a user's phone, Mac and connected AI agents. According to Aina, the ring predicts the three things a user is most likely to need next and displays them on the device, allowing approval or rejection through gestures or voice input.
The launch puts the San Francisco-based company among a growing group of hardware startups seeking new consumer interfaces for AI beyond the smartphone. Rather than focusing on open-ended prompts, Aina is positioning the ring as a tool for short approvals, quick controls and brief spoken exchanges.
The product includes a microphone, speaker and small display. Users can press and hold a central button to speak to connected agents, flick through prompts on screen, or use the ring as a live controller for tasks already under way, such as muting a microphone during a meeting, managing music playback or handling phone calls.
Aina says the ring runs on what it calls a context-aware operating system that learns patterns from app usage, calendar details and location. For example, the device could prepare a shortcut to book a regular Uber journey before a daily commute. It could also prompt a user to send a message when running late for a meeting.
New interface
The company was founded by Apoorv Shankar, formerly Vice President of Hardware at Ultrahuman. It began in 2025 as a human-computer interaction lab and has since tested different physical interfaces for AI-led computing.
Before the ring, Aina introduced Dune, a three-key keypad for Mac users that changes its controls depending on the application in use. Work on that product, along with feedback from early users, helped the company identify frequent tasks that might suit a wearable form factor.
Aina has also been testing the ring with a controlled group of pilot users since early October, refining both the hardware and the interaction model ahead of the public launch. At launch, the product supports iOS and Mac devices, with further integrations to be added later.
The company is entering a market where several groups are exploring whether AI should be used through screens, voice, gestures or more ambient systems. Aina's answer is a ring that combines a small display with prompts that require a fast yes-or-no response.
"We started building Aina with a thesis that AI would evolve from following instructions to anticipating what we need. With proactive agents, that shift has already begun. Agents like Muse, Instinct and Dots will soon run hundreds of our daily tasks. Today we instruct them by text or voice. Next, they'll learn our patterns, build on our context and turn proactive for almost every interaction, waiting only for our approval. Hundreds of times a day, we'll choose between options and say yes or no. Pulling out and unlocking a phone for each of these binary moments won't work. Hardware interfaces beyond the phone will be built for voice and quick approvals, and Aina is designed for that future," said Apoorv Shankar, Founder of Aina.
Pricing and team
Pre-orders have opened at a starting price of USD $399 for a limited number of units. Aina plans to begin global shipping in January 2027.
Aina previously announced a seed funding round of USD $5.5 million. It has a 40-person team split across San Francisco and Bangalore, covering hardware, industrial design, engineering and manufacturing.
The launch marks Aina's move from private testing into the consumer market. It also offers a clearer view of how one hardware startup believes people may interact with increasingly proactive AI software in daily life.
"Every major shift in computing has come from software and hardware built together. The mouse and the GUI brought personal computing. The touchscreen and the App Store brought mobile computing. Now, with Aina and AI agents, we enter a new era: personalized computing, right at your fingertips," said Shankar.