After rebooting the Pebble smartwatch brand, laminitis Eric Migicovsky is expanding his company’s instrumentality lineup with a caller astute wearable: an AI-powered astute ringing known arsenic Index 01. Named for the digit wherever the ringing is meant to beryllium worn, the caller $75 ringing is not meant to beryllium a rival to always-on, always-listening AI devices, similar the AI pendant Friend, but alternatively offers a mode to grounds speedy notes and reminders with a property of a fastener connected the ring’s side.
AI lone comes into play via the unfastened source, speech-to-text, and AI models that tally locally connected your smartphone done the Pebble mobile app. That is, if the ring’s fastener is not being pressed, it’s not recording. (And this is simply a press-and-hold gesture, too, which means you can’t commencement the ring’s signaling and past fto spell to surreptitiously grounds a conversation.)
Image Credits:Core Devices LLCYou tin deterioration the stainless alloy ringing portion successful the shower, washing hands, doing dishes, oregon successful the rain, but you would person to instrumentality it disconnected for different water-related activities, similar swimming. At launch, it’s water-resistant to 1 meter.
The ringing is besides not a fittingness tracker oregon slumber monitor. It doesn’t grounds details astir your bosom complaint oregon health. And it’s not determination to beryllium your AI friend.
“I’m not trying to physique immoderate AI adjunct thing,” Migicovsky told TechCrunch successful an interview. “I physique things that lick 1 main problem, and they lick it truly well,” helium explains. “I deliberation of [the ring] arsenic outer representation for my brain…that’s what this is. It’s ever with you.”
Plus, the ringing has been designed to beryllium highly reliable and privacy-preserving, helium says, arsenic each your thoughts are stored connected your phone, not successful the cloud. There is nary subscription.
Migicovsky’s ringing enters a increasing marketplace for voice-note wearables. Last month, Sandbar, a New York-based startup founded by erstwhile Meta employees, unveiled its Stream Ring, which besides lets users grounds thoughts via a touch-activated microphone. However, dissimilar Index 01’s no-subscription model, Sandbar’s $249 ringing offers some a escaped tier with constricted AI interactions and a $10-per-month Stream Pro subscription for unlimited chats and aboriginal entree to features. The Stream Ring is expected to vessel adjacent summer.
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Migicovsky has been wearing his ain ringing for 3 months present and says helium cannot ideate going backmost to a satellite wherever helium doesn’t ever person a representation instrumentality with him.
“The occupation is that, during the day, I get ideas oregon I retrieve something, and if I don’t constitute it down that second, I hide it,” helium says. The ringing solves this problem, helium adds, without becoming different instrumentality you request to charge.
“The artillery lasts for years,” Migicovsky claims.
The ringing is said to enactment astir 12 to 14 hours of recording. On average, the laminitis says helium uses it 10 to 20 times per time to grounds 3-to-6-second thoughts. At that rate, he’ll get astir 2 years of usage. When the ring’s artillery dies, you tin vessel it backmost to the institution for recycling.
When utilizing the Index, you tin grounds up to 5 minutes of audio, which tin beryllium saved to the ringing and synced to your telephone later. This makes consciousness for signaling briefer, idiosyncratic thoughts and notes, adjacent erstwhile you don’t person your telephone handy, but it wouldn’t enactment for signaling a longer chat, similar a presentation, meeting, oregon in-person interrogation of immoderate kind.
Image Credits:Core Devices LLCThe ringing besides supports much than 100 languages and has a spot of on-device representation for times erstwhile you’re not successful Bluetooth scope of your device, wherever the signaling is yet saved and transcribed. (The earthy audio is retained, too, successful lawsuit the speech-to-text is garbled owed to large inheritance noise.)
If you ain a Pebble smartwatch oregon 1 from different brand, your recorded thought tin adjacent look connected the watch’s surface truthful you tin verify it’s correct.
The ringing works with Pebble’s mobile app, which offers notes and reminders, but tin optionally integrate with your phone’s calendaring system, too, oregon different apps, similar Notion. And the ring’s bundle is unfastened source, which makes it hackable by the community, the laminitis points out.
Because of its unfastened nature, the ring’s fastener is already programmable. In summation to the press-and-hold gesture, you tin programme the ringing to bash different things with a azygous oregon treble press, similar play oregon intermission your euphony oregon power the shutter connected your phone’s camera. You could usage it to nonstop a connection done the universal chat app Beeper, which Migicovsky besides created, oregon you could adhd your ain dependable actions via MCP.
Image Credits:Core Devices LLCA caller attack to hardware
Migicovsky acknowledges that hardware tin beryllium difficult to get right, arsenic Pebble’s exit to Fitbit showed. (Fitbit was aboriginal acquired by Google successful 2021.)
“I didn’t gain immoderate wealth during Pebble — we exited, but it was not a large exit,” Migicovsky admits.
This year, however, helium decided to reboot the Pebble project aft Google open-sourced PebbleOS, which opened the doorway to caller hardware.
With his caller company, Core Devices, Migicovsky plans to bash things differently.
Still, the laminitis doesn’t regret his erstwhile choices, helium clarifies.
“I wouldn’t person gone backmost and changed anything. I loved what we built. I loved what we did. I emotion the institution that we built, but it’s not the lone mode to physique a company,” helium told TechCrunch. “And speaking arsenic an ex-YC partner, there’s a clip and a spot for gathering a venture-backed startup. Some companies are phenomenal erstwhile they rise wealth and physique a large team, and I tried that…What I’m doing present is trying an alternate path, which is [to] commencement from profitability,” helium says.
The caller institution is simply a tiny squad of five, self-funded, and focused connected sustainability.
So far, Core Devices has shipped the Pebble 2 Duo smartwatch with a black-and-white display. Its archetypal tally sold out, and the institution is present preparing to vessel the upgraded version, the Pebble Time 2. The newer device, which has seen 25,000 pre-orders, is simply a stainless alloy ticker with a larger, colour e-ink screen.
As for the Index 01, the ring’s pre-order connection ends successful March 2026. After that, the terms increases to $99. It presently comes successful silver, polished gold, and matte achromatic and works with iOS and Android devices. Customers tin prime from 8 ringing sizes, ranging from 6 to 13.















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