Sandbar Unveils Smart Ring for Voice Notes and Music Control

Former Meta employees launch Stream, a wearable device designed for seamless voice capture and audio management.

Two former Meta employees have introduced Sandbar, a company debuting the Stream smart ring. This new wearable allows users to discreetly record voice notes and control music, addressing the need for hands-free, on-the-go productivity. It aims to capture thoughts the moment they arise without interrupting daily activities.

Sarah Kline

By Sarah Kline

November 6, 2025

4 min read

Sandbar Unveils Smart Ring for Voice Notes and Music Control

Key Facts

  • Sandbar, a company founded by former Meta employees Mina Fahmi and Kirak Hong, launched the Stream smart ring.
  • The Stream ring is designed to take voice notes and control music.
  • Mina Fahmi, Sandbar’s CEO, previously worked at Kernel and Magic Leap.
  • Kirak Hong, Sandbar’s CTO, worked at Google and CTRL-Labs, which Meta acquired in 2019.
  • The ring features microphones and a touchpad, activating the microphone only when pressed and held for privacy.

Why You Care

Ever had a brilliant idea strike while you’re walking, only to lose it before you can jot it down? What if you could capture those fleeting thoughts instantly and discreetly? A new smart ring called Stream promises to do just that, according to the announcement. This device could change how you interact with your digital world, making voice capture and music control truly effortless.

What Actually Happened

Two former Meta employees, Mina Fahmi and Kirak Hong, have launched Sandbar, as detailed in the blog post. Their first product is the Stream smart ring. This wearable device is designed to take voice notes and control music. It joins a growing market of voice-based hardware, according to the announcement. These devices aim to enhance productivity and personal growth.

Fahmi, Sandbar’s CEO, previously worked at Bryan Johnson’s Kernel and Magic Leap. Hong, the CTO, worked at Google before CTRL-Labs, where they both met. Meta later acquired CTRL-Labs in 2019, as mentioned in the release. This acquisition contributed to Meta’s smart wearable neural interfaces. The co-founders leveraged their extensive experience in human-computer interface design for this new venture.

Why This Matters to You

This new smart ring offers a discreet way to manage your digital life. Imagine capturing a thought or controlling your music without pulling out your phone. The Stream ring, worn on your index finger, features microphones and a touchpad. It activates only when you press and hold the touchpad, ensuring privacy, according to the announcement.

“A lot of my ideas bubble up when I’m walking or when I’m commuting, and I don’t want to pull out my phone to interrupt that moment,” Fahmi told TechCrunch in an interview. This highlights the core problem the ring aims to solve for users like you. How often do you find yourself wishing for a more way to interact with system?

Key Features of the Stream Ring:
1. Discreet Voice Capture: Record thoughts by pressing a touchpad.
2. Music Control: Manage audio playback directly from your finger.
3. Privacy-Focused: Microphone is off by default, activating only with a gesture.
4. Sensitive Microphone: Picks up even whispers for transcription.
5. Companion App: Transcribes notes to an iOS application.

For example, think of being on a crowded train. You can quietly whisper a reminder into your ring. The device will transcribe it to your phone later. This avoids the awkwardness of shouting into earbuds or fumbling with your smartphone. Other apps like Wispr Flow and Willow offer similar quiet capture capabilities.

The Surprising Finding

What’s truly interesting is the origin of this idea, as the team revealed. Fahmi initially experimented with a journaling app when large language models emerged. However, he found the app itself became a barrier to capturing his thoughts. This is quite counterintuitive. Many assume digital tools always simplify things. Instead, the digital interface created friction.

This led him to explore a conversational hardware interface instead. It challenges the assumption that software alone is the best approach for every problem. Sometimes, the physical interaction is key. The focus shifted from a screen-based app to a tangible, gesture-controlled device. This move acknowledges that physical context significantly impacts usability. It highlights the importance of , intuitive interaction over purely digital solutions.

What Happens Next

The Sandbar Stream ring is entering a competitive market. Other voice-based hardware devices already exist, according to the announcement. These include products from Plaud, Friend, Limitless, and Bee, which Amazon acquired. However, Sandbar’s unique form factor and discreet interaction could give it an edge. We can expect to see more details about its availability in the coming months, possibly by early 2026.

For example, imagine a professional conducting field research. They could use the Stream ring to quickly dictate observations without breaking their workflow. This could significantly improve data collection efficiency. The industry implications are broad. This type of wearable could influence how we design future smart devices. It emphasizes privacy and unobtrusive interaction.

Your next step might be to consider how a device like this could integrate into your daily routine. Would it replace your current note-taking methods? The focus on capturing thoughts at the moment they bubble up is a concept. It aims to bridge the gap between thought and record, making system truly disappear into the background.

Ready to start creating?

Create Voiceover

Transcribe Speech

Create Dialogues

Create Visuals

Clone a Voice