A memory that stays in the room.
Ask about the book you mentioned last Tuesday, or the name of your neighbour's dog. Halo keeps a private, on-device memory of the threads that make up your days — so you don't have to hold them all yourself.
Introducing Halo One Spring 2027
A little light.
A lot of mind.
A palm-sized AI companion with no screen to stare at. Halo reads the room, holds the context, and answers in light — only when it matters.
0Screens
72hAmbient battery
78gIn your palm
01 The object
Made to be held.
Not looked at.
Milled from a single block of sapphire glass and shaped by hand, Halo One has no buttons, no ports, no screen. Just one continuous surface — warm in the palm, cool to the eye. It finds a place on a desk, a nightstand, an open hand, then disappears.
- 62mmDiameter
- 78gWeight
- IP68Water resistant
The seam is underneath, where your palm can't find it.— Studio Halo
02 The light
It doesn't ask for attention.
It gives you a signal.
Halo speaks in light. A slow breath means it's thinking. A gentle pulse means it heard you. A warm ring left glowing on the table means there's something worth coming back to. Learn its language once, and you'll never need a notification again.
Calm
A slow tide of mint. Halo is present and listening, with nothing to say. This is the light you'll see most — patient, peripheral, quietly awake.
- Breathing — I'm thinking
- A pulse — I heard you
- A held glow — Something's waiting
Ambient signal
Halo is present
03 The mind
Small enough to forget.
Smart enough to matter.
A dedicated neural engine runs entirely inside the pebble. Halo hears the room, remembers what matters, and never sends your life to a server unless you ask it to.
No wake word.
Turn toward it and speak. Halo notices the shift in attention, then listens — no phrase, no prompt, no ceremony.
Private at the silicon.
A hardware mute and a dedicated NPU keep every conversation on the device. Nothing leaves unless you say so.
Three days of quiet.
Three full days of ambient listening on one charge. Set it on the pad at night; it's full by morning.
A whole room, heard.
Four far-field microphones find your voice in the middle of a dinner party, then tune the rest of the table out.
04 Details
Everything,
held in a pebble.
A quiet piece of hardware, built for years on a shelf rather than months in a pocket. Every surface is meant to be touched; every component is meant to disappear.
Reserve yoursForm
- Dimensions
- 62 × 19.4 mm
- Weight
- 78 g
- Materials
- Sapphire glass, recycled aluminium
- Finishes
- Mist, Graphite, Sand
Power
- Battery
- Up to 72 h ambient / 9 h active
- Charging
- Magnetic pad, USB-C
- Full charge
- 75 minutes
- Ring light
- 16 million colours
Senses
- Audio
- 4-mic far-field array
- Speaker
- Spatial, 3 W
- Sensors
- Presence, proximity, motion, light
- Connectivity
- Wi-Fi 6E, Bluetooth 5.4, UWB
The mind
- Compute
- 18-core on-device NPU
- Privacy
- Hardware mute, zero cloud by default
- In the box
- Halo One, charge pad, braided cable
- Warranty
- Two years
05 The first run
Keep a little
light close.
The first 5,000 Halo One pebbles ship in Spring 2027. Reserve your place now — nothing to pay today, and no subscription, ever.
Please enter a valid email address.
You're on the list.
We'll write to when your Halo is ready.
- Fully refundable
- No subscription
- Limit two per household