Stream

[pilot]

wearable · food-service · 1 deployments in catalog

Field Advisory

Verified: Sandbar (~15 employees; co-founders Mina Fahmi (CEO) + Kirak Hong (CTO), both ex-Meta via the CTRL-Labs acquisition; Fahmi also ex-Magic Leap) is building Stream, an AI conversation-capture smart ring. Raised ~$36M: $23M Series A (Mar 2026, Adjacent + Kindred) after a $13M round (Nov 2025, True/Upfront/Betaworks)., Maturity = pilot / pre-commercial (cap-flag): NOT shipping as of mid-2026: pre-order only, ship target summer 2026, first pre-order batch sold out. Funded + productized + hardware-defined (beyond pure research) but has NOT crossed the shipping line. Do not classify commercial until general delivery is confirmed., AI-substance: genuine premise, field-unverified: The entire product is an AI conversation-capture/assistant device (ambient capture -> transcription -> conversational AI), not AI veneer on an audio gadget. But real-world AI quality is unverifiable: there are NO independent reviews of shipping units; all claims trace to the company and launch coverage., Claimed but NOT verified: That it ships on schedule / at all (summer-2026 target, unshipped); transcription accuracy, latency, assistant quality (no independent hands-on); 'all-day battery'; real privacy behavior of the off-by-default proximity mic; the 'sold out first batch' figure (company-stated).

Manufacturer

Sandbar

Form Factor

wearable

Lifecycle

pilot

Operational Reality

Audited

Deployments

1

Target Price

$249 to $299 (actual sale price)

  • PILOT

Description

Sandbar, a startup of about fifteen people co-founded by CEO Mina Fahmi and CTO Kirak Hong, both formerly of Meta through its CTRL-Labs acquisition with Fahmi also ex-Magic Leap, is building Stream, an AI conversation-capture smart ring. The aluminum ring has a touch-sensitive top panel and a microphone that is off by default and proximity-tuned, so a wearer lifts a hand toward the face and whispers to record, with the audio transcribed to a companion iOS app that also offers conversational AI chat and media controls; it has no display, no camera, and no health sensors, explicitly distinguishing it from an Oura-style health ring. It is priced at $249 in silver and $299 in gold on pre-order with a $10-per-month Pro subscription, and the company has raised about $36 million, including a $23 million Series A in March 2026 led by Adjacent and Kindred Ventures after a $13 million round in November 2025. The registry records it at pilot and pre-commercial maturity as a deliberate cap-flag: as of mid-2026 it is pre-order only with a summer-2026 ship target and a sold-out first batch, funded and productized but not yet across the shipping line, so it is not classified commercial until general delivery is confirmed. On AI substance the entire product is an AI conversation-capture and assistant device rather than veneer on an audio gadget, but real-world AI quality is unverifiable because there are no independent reviews of shipping units, so all current claims trace to the company and launch coverage.

Key facts & specs

13 entries
website
https://www.sandbar.com/
maturity
pilot
lifecycle
active
manufacturer
Sandbar
deployments count
1
Maturity stage
pilot
Specs
Stream: aluminum smart ring with a touch-sensitive top panel; microphone OFF by default and proximity-tuned (lift hand to face, whisper); records + transcribes to a companion iOS app; conversational AI chat + media controls. NO display, NO camera, NO health sensors (explicitly not an Oura-style health ring). $249 silver / $299 gold pre-order; Pro subscription $10/mo. Ships summer 2026 (target).
Battery
8 days
Form Factor
wearable (AI smart ring: off-by-default mic capture -> transcription + conversational AI in a companion app)
Price
$249 silver / $299 gold pre-order
Subscription
$10/month Pro subscription
Production target
Summer 2026 ship target
Funding
~$36 million raised

Availability and pricing

price
$249 to $299 (actual sale price) · as of 2026-01-01
lead time
Not disclosed
sales model
Not disclosed
availability
Not disclosed
units in field
Not disclosed
pricing Model
Not disclosed

Safety record

Safety Status
Zero incidents on record

No incidents on record for Stream.

Risk Metrics
Incidents: 0
Recalls: 0

FAQ

11 entries
What is Stream?

Sandbar, a startup of about fifteen people co-founded by CEO Mina Fahmi and CTO Kirak Hong, both formerly of Meta through its CTRL-Labs acquisition with Fahmi also ex-Magic Leap, is building Stream, an AI conversation-capture smart ring. The aluminum ring has a touch-sensitive top panel and a microphone that is off by default and proximity-tuned, so a wearer lifts a hand toward the face and whispers to record, with the audio transcribed to a companion iOS app that also offers conversational AI chat and media controls; it has no display, no camera, and no health sensors, explicitly distinguishing it from an Oura-style health ring. It is priced at $249 in silver and $299 in gold on pre-order with a $10-per-month Pro subscription, and the company has raised about $36 million, including a $23 million Series A in March 2026 led by Adjacent and Kindred Ventures after a $13 million round in November 2025. The registry records it at pilot and pre-commercial maturity as a deliberate cap-flag: as of mid-2026 it is pre-order only with a summer-2026 ship target and a sold-out first batch, funded and productized but not yet across the shipping line, so it is not classified commercial until general delivery is confirmed. On AI substance the entire product is an AI conversation-capture and assistant device rather than veneer on an audio gadget, but real-world AI quality is unverifiable because there are no independent reviews of shipping units, so all current claims trace to the company and launch coverage.

How much does Stream cost?

Stream is listed at $249 to $299 on the DEPLOY registry. This is an actual sale price on record.

Is Stream actually deployed in the real world?

Yes. Stream is independently verified in real-world operation on the DEPLOY registry, confirmed at named deployment sites with primary sources: not a concept, render, or demo-only.

Who makes Stream?

Stream is made by Sandbar, based in New York, NY, USA, founded in 2024.

Where is Stream deployed?

1 verified deployment of Stream is on the DEPLOY registry, including at Global.

Can you buy Stream?

Stream is available for purchase - a real sale price is on record (see the pricing section for the figure and its source).

What are alternatives to Stream?

On the DEPLOY registry, comparable wearable robots to Stream include Synchron Stentrode, Bee AI Wearable, Bee Pioneer, Esper Hand.

How does Stream compare to Synchron Stentrode?

Stream and Synchron Stentrode (Synchron · 5 deployments) are both wearable robots on the DEPLOY registry. Stream has 1 verified deployment on record. Compare both records for specs, safety, deployments, and verified-vs-claimed autonomy.

Is Stream a top wearable?

On DEPLOY's intelligence score, which blends verified deployments, safety, adoption, media, and IP signals, Stream ranks in roughly the top 50% of wearable models tracked by the registry.

What is Stream's maturity stage?

Stream is at the pilot stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Pilot stage means at least one named-customer trial deployment is verified.

Is Stream safe?

Stream has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.

Deployments

1 entry

Sectors & applications

1 entry