- AI-powered ring to instantly capture and transcribe ideas with a gesture, no activation word, and an initial app on iOS.
- Multimedia controls via gestures and haptic feedback; it remains useful as a controller even if the AI backend stops working.
- Focus on privacy: microphone off by default, data encryption, and optional voice clone stored on the phone.
- Pre-order from $249 (silver) and $299 (gold), 3 months of Pro included; shipments expected in the US in summer 2026, no date for Spain.
The wearables market is experiencing a curious moment: There are more and more devices that are trying to go beyond step counting and sleep tracking. to offer new ways to interact with technology. In that context it appears Stream Ring, ring with artificial intelligence that you wear on your index finger and that promises to record your ideas just as they come to mind.
The proposal is simple: You tap, you whisper, and your thought is saved as text in the app.Its value lies in the immediacy to capture ideas instantly Without taking out your phone or saying an activation word. Does it have a place in a world with increasingly capable phones and very complete smartwatches? Let's see what it offers and where it fits in., with a focus on what this could mean for users in Spain and Europe.
What is Stream Ring and how does it work?
Sandbar defines its ring as a “voice mouse”You raise your hand, bring the ring to your mouth, and press a touch surface to speak. There are no "Hey" or magic words; A simple press and hold gesture is all it takes to start listening.Even in crowded places you can whisper and the system transcribes it on the fly in the Stream app. Initially available on iOS.
The key to privacy is that the microphone He's not always listeningIt only activates while you hold the touch. When you release, the The vibration confirms that the note has been sent.The hardware integrates a capacitive sensor into the flat edge, a a small microphone and a glass touchpad for interaction.
AI features and note organization

In addition to transcribing, the ring and its app feature a custom chatbot that converses With you: it can ask questions to clarify ideas, help you structure tasks, and edit transcripts. This way, what starts as a quick reminder can become a more polished list or draft.
Sandbar It offers a feature called “Inner Voice” which, optionally, It generates a synthetic voice similar to yours from a brief setupThe app allows you to review conversations by day or week, zoom in to see the whole thing, and organize entries as notes, reminders, or calendar items.
Multimedia controls and gestures
The ring also acts as a multimedia remote control on the finger: One tap to play or pause, a double tap for the next song, and a swipe to raise or lower the volume.The taps are accompanied by haptic feedback to confirm that the gesture has been understood, useful on the subway or outdoors.
If at any time the cloud service were to fail or Sandbar were to stop operating, The ring would still offer basic playback controlspreventing the device from being relegated to a drawer after a few months.
Privacy & Security
Sandbar emphasizes that The notes are not saved as audio, but as text.and that the data travels and is stored with strong encryptionThe voice model for “Inner Voice” is saved on the user's phone and can be deleted at any time.The company also plans to support exports to third-party services like Notion, so as not to lock the information away in a walled garden.
For private conversations with the assistant you can use Bluetooth headsetsalthough they are not necessary to create notes. In any case, The microphone is off by default and is only activated with a long press gesture..
Design, battery and durability

The ring has Aluminum exterior, resin interior, and a glass touchpad on topIt's designed for everyday life: it's rain and splash resistant, although it's not intended for extreme sports. There will be sizes 5 to 13 and, in the pre-sale, a Free kit to help you choose the right size before final shipment.
Autonomy is intended for endure a full day, with loading via a compact disc with U-shaped stand and USB-C cableThe idea is to leave it charging overnight and forget about it during the day.
Price, subscription and availability

Stream Ring is now available for pre-order from $249 in silver finish and for $299 in gold color (PVD). Those who make the pre-sale They receive three months of the Pro plan., that After that, it costs $10 a month.The free level It includes unlimited notes and limited chats within the app.The Pro unlocks unlimited interactions and early access to features.
In software, The Stream app launches on iOS first, with desktop access also available for viewing notes. Android compatibility is not confirmed at this time.
As for dates, Sandbar expects to begin shipments in the US during the summer of 2026There is no official schedule for Spain and the rest of Europe; we will have to wait for confirmation of regional availability and any potential requirements. CE marking and adaptation to European privacy regulations, in addition to VAT and customs costs if imported from the United States.
Stream Ring reaches a niche market that It moves between the health rings and the Wearables with conversational AICompared to mobile phones—and watches with platforms like Wear OS and models with advanced assistants—their advantage lies in immediacy: capture ideas without getting stuck or distractedThe question is whether that speed is worth it for more people who already use voice notes or dictation on their phones.
Equipment and funding
Sandbar was founded by Mina Fahmi and Kirak HongFormer members of CTRL-Labs, who continued working on human-machine interfaces after the acquisition by Meta. Their experience includes projects at Kernel, Magic Leap, and Google, which they are now applying to a format as commonplace as a ring.
The company has raised $ 13 millones from firms like True Ventures, Upfront Ventures and Betaworks, capital with which it aims to fine-tune the software, polish gesture detection and scale manufacturing before commercial launch.
With an approach focused on capture thoughts without taking out your phoneWith gesture-based multimedia controls and a strong focus on privacy, Stream Ring is trying to carve out its own niche among wearables. It remains to be seen how it will perform in Spain and Europe, and whether its combination of speed, accurate transcription, and smart organization will justify its place in everyday life alongside phones and watches.
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