Sandbar
Sandbar (Elide Interfaces Inc.) is a NYC-based interface company building Stream, a voice-first AI smart ring and conversational mobile app for capturing thoughts and interacting with AI ambiently, targeting individual knowledge workers and creatives. Pre-revenue, with commercial launch planned for Summer 2026 at $249+.
- Company typePrivate
- Founded2023
- HeadquartersNew York, United States
- Headcount11–50
- GTM typeB2C
- OfferingHardware or Manufacturing
What Sandbar does
Sandbar (legal entity Elide Interfaces Inc.) is a New York City-based interface company founded in 2023 by former Meta employees Mina Fahmi (CEO) and Kirak Hong (CTO), with team experience spanning Apple, Peloton, and Equinox. The company is building Stream, a voice-first AI hardware-and-software platform consisting of a private smart ring paired with a conversational mobile application, targeting individual knowledge workers, creatives, and "minds that keep moving" who need hands-free, ambient AI interaction throughout the day.
Sandbar firmographics
Firmographics- Name
- Sandbar
- Legal name
- Elide Interfaces Inc.
- Website
- https://sandbar.com
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Sandbar (Elide Interfaces Inc.) is a NYC-based interface company building Stream, a voice-first AI smart ring and conversational mobile app for capturing thoughts and interacting with AI ambiently, targeting individual knowledge workers and creatives. Pre-revenue, with commercial launch planned for Summer 2026 at $249+.
- Ownership category
- akta.pro rank
Sandbar industry classification
Industry- Product category
- AI Wearable Devices
- NAICS
- Computer Terminal and Other Computer Peripheral Equipment Manufacturing (334118)
- SIC
- Computer Peripheral Equipment, Nec (3577)
- akta.pro primary industry
- Smart Rings (CRACAIAC)
Keywords
Where Sandbar is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Sandbar business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel
Revenue model
- Hardware sales (Stream smart ring): Direct hardware sales of the Stream smart ring at $249+ per unit; revenue generated through pre-orders shipped in batches (Batch 1 sold out, Batch 2 shipping summer 2026); one-time purchase model for the physical product
- Recurring Subscription (Online Services): Per Terms of Service, certain Online Services may require enrollment in a Recurring Subscription with automatic renewal; subscription terms disclosed at purchase; recurring revenue model tied to ongoing AI/conversational services
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | Stream smart ring — $249+ one-time hardware purchase |
| Subscription | Annual | Recurring Subscription for Online Services |
Go-to-market motion3 records
Distribution channels2 records
Marketing channels6 records
Sandbar product offering
Product offeringCore offering
Sandbar designs, develops, and sells the Stream smart ring — a private voice wearable paired with a companion mobile app — that captures whispered thoughts, records spoken notes, controls media, and interacts with AI through push-to-talk, glass touch gestures, and silent haptics. The offering combines custom ring hardware (private mic, glass touch surface, aluminum-resin body, custom curved battery) with a conversational AI interface that maintains persistent user context and powers personalized agents. Revenue comes from direct-to-consumer hardware pre-orders of the ring, with subscriptions tied to certain online services.
Product overview
Sandbar is an interface company offering a single unified product ecosystem centered on Stream, which is composed of two tightly integrated components: the Stream Smart Ring (a private voice ring hardware device worn on the finger) and the Stream Mobile App (a companion conversational notes application for iOS and Android). Together, the ring and app form a private voice-first interface for capturing whispered thoughts, recording and organizing spoken notes, controlling media, and interacting with AI. Built into this ecosystem are software modules and features including Inner Voice (a personalized AI-generated voice), Convo (rapid push-to-talk), Web (weather, news, and information retrieval), and a Timeline with Notepad, Memory, and Export views. Sandbar also operates a Developer Alpha program for teams interested in building on top of Stream's hardware and software capabilities.
Differentiator
Problem solved
Functional benefit
Brands
- Stream: Stream is Sandbar's flagship product line: a private voice ring and conversational notes app / interface that captures whispered thoughts, transcribes audio notes, controls media, and interacts with AI.
Products and services
- Stream Smart Ring A private voice ring and AI-powered wearable that captures whispered thoughts, records spoken notes, controls media, and interacts with AI through touch-activated push-to-talk. Features include a glass touch surface (hold, tap, swipe), silent haptic feedback, an aluminum-resin body, a custom curved battery for all-day use, and a 'Private Mic' enabling whisper-level input in public. Sold direct-to-consumer via shop.sandbar.com.
- Stream Mobile App Companion mobile application for iOS and Android that pairs with the Stream ring to provide a conversational notes interface. Features include a Timeline, Notepad with instant capture and organization, Memory for retaining context, and Export to other apps. Licensed (not sold) to users.
- Sandbar Developer Alpha Early developer program that gives participating individuals and teams access to Stream's hardware capabilities (whisper-level voice input, multi-gesture glass touchpad, silent haptic feedback) and software capabilities (multi-device connectivity, conversation management, external data sources, agent management) across iOS, Mac, Android, Windows, and Linux platforms. Accessible via an interest form.
Quantifiable outcome
- Early testers use the Stream ring more than 50 times per day
- +3 more outcomes
Companies that use Sandbar
Customer profileSegments3 records
Ideal customer profiles2 records
Sandbar technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability9 records
Feature9 records
Sandbar partnerships and signals
Strategic signalScale indicators8 records
Recent moves5 records
Expansion highlights6 records
Sandbar competitors and assessment
Company assessmentDirect peers
- Humane: Founded by ex-Apple designers, Humane shipped the AI Pin — an ambient, voice-first AI wearable. Direct comparability to Sandbar in category (AI hardware), target user (always-on, screen-free), and design philosophy (ambient self-extension vs. screen-based interaction).
- Rabbit: Creator of the R1, a standalone AI hardware device for conversational task automation. Direct comparability in being a venture-backed AI consumer hardware startup with its own LLM-driven agent layer, targeting knowledge workers.
- Oura: Smart ring category leader. Direct comparability on the ring form factor and DTC channel, though Sandbar explicitly positions against Oura's health-tracking focus in favor of voice-first AI capture.
- Limitless: AI pendant/wearable focused on capturing, transcribing, and acting on conversations. Direct comparability in voice-first capture, ambient AI, and a persistent user memory model similar to Sandbar's 'Inner Voice' approach.
- Friend: AI companion pendant with always-on conversational AI. Direct comparability to Sandbar in the voice-first AI wearable category targeting individual consumers and a similar early-stage DTC hardware go-to-market.
- Ultrahuman: Smart ring (Ring Air) plus ambient health/AI platform. Direct comparability in DTC smart ring go-to-market and software subscription layer, though with a health-led rather than voice-first thesis.
Broad incumbents
- Samsung Galaxy Ring: Incumbent smart ring launched by a global consumer electronics giant. Comparability on form factor and channel, with potential to add voice/AI features that compete with Sandbar's positioning.
- Apple: Incumbent in wearables (Apple Watch), ambient AI (Apple Intelligence/Siri), and rumored smart ring. Comparable as a potential platform competitor that could absorb voice-first ring functionality into a broader ecosystem.
Emerging players
- Tab: AI necklace focused on voice capture and ambient AI. Comparable as an early-stage voice-first AI wearable targeting similar knowledge-worker use cases, with a different (necklace) form factor.
- Brilliant Labs: AI eyewear (Frame) with multimodal agent capabilities. Comparable as an emerging AI-native hardware startup with its own agentic layer, though targeting visual rather than audio-first capture.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Sandbar social profiles
Digital presenceSandbar financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sandbar leadership team
Management profileNumber of profiles
Profiles2 records
Sandbar funding detail
Funding detailFunding overview
Funding rounds2 records
Investors6 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sandbar M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sandbar
What does Sandbar do?
Sandbar designs, develops, and sells the Stream smart ring — a private voice wearable paired with a companion mobile app — that captures whispered thoughts, records spoken notes, controls media, and interacts with AI through push-to-talk, glass touch gestures, and silent haptics. The offering combines custom ring hardware (private mic, glass touch surface, aluminum-resin body, custom curved battery) with a conversational AI interface that maintains persistent user context and powers personalized agents. Revenue comes from direct-to-consumer hardware pre-orders of the ring, with subscriptions tied to certain online services.
Is Sandbar a public or private company?
Sandbar is a private company. It is classified as venture growth investor backed and is currently operating.
When was Sandbar founded?
Sandbar was founded in 2023. It employs 11 to 50 people.
Where is Sandbar based?
Sandbar is headquartered in New York, United States, in the North America region.
How does Sandbar make money?
Two revenue lines are on record. Hardware sales (Stream smart ring) is the primary driver. The others are recurring Subscription (Online Services).
Who are Sandbar's main competitors?
Direct peers on record are Humane, Rabbit, Oura, Limitless, Friend and Ultrahuman. Broad incumbents are Samsung Galaxy Ring and Apple. Emerging players are Tab and Brilliant Labs.
Does Sandbar have an API?
No public API is recorded for Sandbar.
What industry is Sandbar in?
Sandbar's product category is AI Wearable Devices. Its primary akta.pro industry code is CRACAIAC, Smart Rings. Its NAICS code is 334118 and its SIC code is 3577.