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Bone conduction · 0–110°C

Stay in
longer.

Audio that does not mind the heat, or the ice.

Join the waitlist

  • 0–110°CSauna to ice
  • IP682 m under
  • 64 GBNo phone
  • 10 hrsPer charge

Where it goes

Rated for the
whole range.

Five rooms. One device. Nothing left on the bench between them.

Close-up of a young man in a cedar sauna, skin shining with sweat, wearing Dipsana bone-conduction headphones

Sauna · 80–100°C · 15–20 min

Sauna

The podcast that makes twenty minutes feel like eight.

Close-up of a young woman in a steam room, dewy skin and condensation on Dipsana headphones

Steam room · 40–45°C · 100% humidity

Steam room

Where every other pair of headphones has already quit.

Close-up of a young man's head underwater in a cold plunge, wearing Dipsana headphones

Cold plunge · 3–10°C · 2–3 min

Cold plunge

One song. Get in, finish the song, get out.

Close-up of a young man's head in an ice bath, ice cubes at the waterline, wearing Dipsana headphones

Ice bath · 0–5°C · 3–5 min

Ice bath

Offline mode, because your phone is in a locker and your hands don’t work anyway.

Close-up of a young woman's head split between sauna heat and ice, wearing Dipsana headphones

Hot · cold · repeat

Contrast

A playlist that runs the whole cycle, so you are not resetting a timer with wet hands.

Why it exists

The last four minutes

The hardest part of every sauna and every plunge. Not the heat. Not the cold. The counting.

So we built something that doesn’t mind

  1. 10 hrs

    You get out early. Not because it is too hot — because it is too boring.

    Playback

    Long enough that you stop counting.

  2. 64 GB

    A 90°C room is no place for a phone, and you bring it anyway.

    Onboard

    Load it at home. Walk in empty-handed.

  3. IP68

    Bluetooth does not travel through water.

    2 metres

    Offline MP3 below the surface.

  4. 0–110°

    Silicone softens, slips and dies in sauna heat.

    Nitinol frame

    Heat-stable pads. The frame remembers its shape.

  5. Buttons

    Numb fingers and touch controls do not get along.

    Magnetic charge

    Physical clicks. No port to corrode.

Four colorways

Named for the ritual

Not for the pigment. Pick one and watch it change.

Obsidian

#35383C

Matte charcoal, the hero.

    Anatomy

    What’s in it

    Open-ear bone conduction, sealed for the two worst rooms in the building.

    1 2 3 4 5 6

    1 Nitinol frame

    Memory alloy. Won’t warp, soften or go tacky in heat.

    2 Heat-stable pads

    A heat-stable compound, not standard silicone.

    3 Bone conduction

    Sits just in front of the ear. Nothing goes in the canal.

    4 Physical buttons

    Sized for numb fingers and wet hands. No touch surfaces.

    5 Sealed housing

    IP68 to 2m. 64GB onboard, Bluetooth 5.4.

    6 Magnetic charging

    No port to corrode. Ten minutes gives three hours.

    Specification

    The list

    Temperature
    Rated 0°C to 110°C
    Water
    IP68, submersible to 2m
    Storage
    64GB onboard
    Above water
    Bluetooth 5.4
    Below water
    Offline MP3 mode
    Frame
    Nitinol, head-worn
    Contact pads
    Heat-stable, not silicone
    Playback
    10 hours
    Fast charge
    10 minutes = 3 hours
    Controls
    Physical buttons
    Charging
    Magnetic, no ports
    Colorways
    Four

    Founding list

    First in.

    We’ll email you once, when it’s ready, and not before.

    You’re on the list. Go and sit down somewhere hot.

    No drip sequence. No launch spam. One note, when it ships.