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Halcyon
New · 2026
Halcyon Series

Halcyon One.
Built for focus.

★★★★★
4.9 · 1,284 reviews
$349 $399 SAVE $50

or 4 interest-free payments of $87.25

Color:
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Free shipping
2-year warranty
30-day returns
As featured in
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Engineered to disappear

Three years of work, in something you forget you're wearing.

Adaptive ANC

Six microphones map your environment 100 times a second. Café chatter or jet engine — Halcyon listens, then quietly removes it.

40-hour battery

A full work week on one charge. Five minutes of USB-C gives you four hours of playback when you forget.

Studio-grade audio

40 mm beryllium drivers tuned by Grammy-winning engineers. Lossless over USB-C, hi-res aptX over Bluetooth 5.3.

Sound that knows where it is

Spatial audio
that follows your head.

A 9-axis head-tracking IMU keeps the soundstage exactly where it should be — even when you turn around to grab your coffee.

  • ✓ Dolby Atmos & Sony 360 Reality Audio
  • ✓ Personalised HRTF profiles via the app
  • ✓ 24 ms end-to-end latency for gaming
H1
Specifications

Numbers, for the people who care about numbers.

We build the way we'd want it built. Every spec on this page is independently verified.

Drivers
40 mm beryllium
Frequency response
5 Hz – 40 kHz
Bluetooth
5.3 · LE Audio · aptX Lossless
Battery
40 h (ANC on) · 60 h (ANC off)
Charging
USB-C · 5 min = 4 h
Weight
258 g
Materials
Recycled aluminium · vegan leather
Reviews

What the people wearing them say.

★★★★★
4.9 from 1,284 reviews
★★★★★
"I write code in open offices. These are the first headphones I forget I'm wearing. The noise cancellation just… deletes the room."
JM
Jordan M.
Verified buyer
★★★★★
"40 hours is no joke — I charged them on Monday and they died Friday afternoon. Sound is honestly the best I've owned at any price."
SP
Sara P.
Verified buyer
★★★★★
"The build quality is gorgeous — feels closer to a $700 product than a $349 one. App is also unusually well thought out."
DK
Deniz K.
Verified buyer
In the box

Everything, nothing more.

Halcyon One — in your chosen colour Travel case — recycled wool felt USB-C cable — braided, 1.2 m 3.5 mm cable — for old-school days
FAQ

Asked & answered.

Quiet sounds better.

Free shipping, 30-day returns and a 2-year warranty — try Halcyon One in your own world.