After rebooting the Pebble smartwatch model, founder Eric Migicovsky is increasing his firm’s system lineup with a brand new sensible wearable: an AI-powered sensible ring referred to as Index 01. Named for the finger the place the ring is supposed to be worn, the brand new $75 ring will not be meant to be a competitor to always-on, always-listening AI gadgets, just like the AI pendant Buddy, however as an alternative provides a method to document fast notes and reminders with a press of a button on the ring’s aspect.
AI solely comes into play through the open supply, speech-to-text, and AI fashions that run regionally in your smartphone by way of the Pebble cellular app. That’s, if the ring’s button will not be being pressed, it’s not recording. (And it is a press-and-maintain gesture, too, which implies you’ll be able to’t begin the ring’s recording after which let go to surreptitiously document a dialog.)
You possibly can put on the chrome steel ring whereas within the bathe, washing arms, doing dishes, or within the rain, however you would need to take it off for different water-related actions, like swimming. At launch, it’s water resistant to 1 meter.
The ring can also be not a health tracker or sleep monitor. It doesn’t document particulars about your coronary heart price or well being. And it’s not there to be your AI good friend.
“I’m not making an attempt to construct some AI assistant factor,” Migicovsky informed TechCrunch in an interview. “I construct issues that remedy one fundamental drawback, they usually remedy it very well,” he explains. “I consider [the ring] as exterior reminiscence for my mind…that’s what that is. It’s at all times with you.”
Plus, the ring has been designed to be extremely dependable and privacy-preserving, he says, as all of your ideas are saved in your telephone, not within the cloud. There isn’t a subscription.
Migicovsky’s ring enters a rising marketplace for voice-note wearables. Final month, Sandbar, a New York-based startup based by former Meta staff, unveiled its Stream Ring, which additionally lets customers document ideas through a touch-activated microphone. Nevertheless, not like Index 01’s no-subscription mannequin, Sandbar’s $249 ring provides each a free tier with restricted AI interactions and a $10-per-month Stream Professional subscription for limitless chats and early entry to options. The Stream Ring is anticipated to ship subsequent summer season.
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Migicovsky has been sporting his personal ring for 3 months now and says he can’t think about going again to a world the place he doesn’t at all times have a reminiscence system with him.
“The issue is that, throughout the day, I get concepts or I bear in mind one thing, and if I don’t write it down that second, I overlook it,” he says. The ring solves this drawback, he provides, with out changing into one other system you should cost.
“The battery lasts for years,” Migicovsky claims.
The ring is alleged to help roughly 12 to 14 hours of recording. On common, the founder says he makes use of it 10 to twenty occasions per day to document 3-to-6-second ideas. At that price, he’ll get about two years of utilization. When the ring’s battery dies, you’ll be able to ship it again to the corporate for recycling.
When utilizing the Index, you’ll be able to document as much as 5 minutes of audio, which will be saved to the ring and synced to your telephone later. This is smart for recording briefer, private ideas and notes, even whenever you don’t have your telephone useful, however it wouldn’t work for recording an extended chat, like a presentation, assembly, or in-person interview of some variety.

The ring additionally helps greater than 100 languages and has a little bit of on-device reminiscence for occasions whenever you’re not in Bluetooth vary of your system, the place the recording is finally saved and transcribed. (The uncooked audio is retained, too, in case the speech-to-text is garbled on account of loud background noise.)
Should you personal a Pebble smartwatch or one from one other model, your recorded thought may even seem on the watch’s display screen so you’ll be able to confirm it’s right.
The ring works with Pebble’s cellular app, which provides notes and reminders, however can optionally combine together with your telephone’s calendaring system, too, or different apps, like Notion. And the ring’s software program is open supply, which makes it hackable by the neighborhood, the founder factors out.
Due to its open nature, the ring’s button is already programmable. Along with the press-and-hold gesture, you’ll be able to program the ring to do different issues with a single or double press, like play or pause your music or management the shutter in your telephone’s digital camera. You possibly can use it to ship a message by way of the common chat app Beeper, which Migicovsky additionally created, or you could possibly add your personal voice actions through MCP.

A brand new strategy to {hardware}
Migicovsky acknowledges that {hardware} will be tough to get proper, as Pebble’s exit to Fitbit confirmed. (Fitbit was later acquired by Google in 2021.)
“I didn’t earn any cash throughout Pebble — we exited, however it was not an excellent exit,” Migicovsky admits.
This 12 months, nevertheless, he determined to reboot the Pebble challenge after Google open-sourced PebbleOS, which opened the door to new {hardware}.
Along with his new firm, Core Gadgets, Migicovsky plans to do issues otherwise.
Nonetheless, the founder doesn’t remorse his earlier decisions, he clarifies.
“I wouldn’t have gone again and adjusted something. I cherished what we constructed. I cherished what we did. I like the corporate that we constructed, however it’s not the one method to construct an organization,” he informed TechCrunch. “And talking as an ex-YC accomplice, there’s a time and a spot for constructing a venture-backed startup. Some corporations are phenomenal once they elevate cash and construct a giant group, and I attempted that…What I’m doing now could be making an attempt another path, which is [to] begin from profitability,” he says.
The brand new firm is a small group of 5, self-funded, and targeted on sustainability.
To this point, Core Gadgets has shipped the Pebble 2 Duo smartwatch with a black-and-white show. Its first run bought out, and the corporate is now getting ready to ship the upgraded model, the Pebble Time 2. The newer system, which has seen 25,000 pre-orders, is a stainless-steel watch with a bigger, colour e-ink display screen.
As for the Index 01, the ring’s pre-order provide ends in March 2026. After that, the value will increase to $99. It presently is available in silver, polished gold, and matte black and works with iOS and Android gadgets. Prospects can choose from eight ring sizes, starting from 6 to 13.
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