Pebble is back, and the first product isn’t a watch. Index 01 is a 316 stainless steel smart ring with exactly one button and one mic — no screen, no touchpad, no wristband. Press, talk, release. That’s the whole interaction. Pre-orderers started getting units this month after a December 2025 reveal and a CES 2026 hands-on.
No lithium, no charger, no cloud
Instead of the rechargeable pouch cell every AI wearable uses, Index 01 runs on a single silver-oxide hearing aid battery. Pebble rates it at 2 years of standby or 12–14 hours of cumulative recording. When it dies, you mail the ring back for recycling — there’s literally no charging port. Water-resistant, eight sizes (6–13), silver / polished gold / matte black. $75 early bird, $100 after shipping starts. Humane AI Pin charged $700 and died. This one is cheaper than an AirTag.
Hackable because the app is open source
The Pebble phone app is fully open source. Press fires encrypted Bluetooth to your phone, a local STT model transcribes on-device, and text lands in notes / reminders / todos — no cloud round-trip. Because the app is forkable, developers are already wiring the button to Claude and OpenAI agents: single press creates a calendar event, double press triggers an MCP tool call, long press kicks off a custom workflow. It’s the closest thing to a physical “do thing” button you can actually ship in 2026.
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