The small screen, remade.
A 5.4-inch phone for one hand. A day and a half on One, two days on One Long.
Cairn One, from $549
Not to scale on this screen
1:1 at 96 ppi · Calibrate ↓
139g
One hand, all day.
5.4in
OLED, 476 ppi.
1.5days
Typical use. Two on One Long.
50MP
Main camera, 1/1.56″ sensor.
01 Camera Close enough to read the grain.
Sample shot at 3 cm on Cairn One.
3cm
Closest focus, ultra-wide.
One main camera, done properly. 50 MP, a 1/1.56-inch sensor, f/1.8 and optical stabilisation.
120°
Ultra-wide, 12 MP.
1.1mm
Camera bump. Nearly flat.
4K60 fps
Video, stabilised on both lenses.
02 Display Sized to the reach of one thumb.
More than half the screen sits inside a relaxed thumb. The top row is a short stretch, not a change of grip.
1–120Hz
Adaptive. 1 Hz on a still page.
476ppi
Print-sharp at reading distance.
1,800nits
Peak, outdoors at noon.
Hold a bank card to the screen. Drag the corner until the edges match.
ID-1 card · 85.60 × 53.98 mm
1.00×
Calibration needs a window 1200 px or wider. Here the grid is scaled to fit, so the card is not true size.
03 Battery Same footprint. Two thicknesses.
Typical use, hours
22min
0 to 50 % at 30 W.
15W
Qi2 wireless.
10min
Battery swap. Four T5 screws, and the steps are printed inside the back.
04 Material Made to be held without a case.
100%
Recycled aluminium frame.
38%
Crushed basalt in the matte back.
IP68
1.5 m of water for 30 minutes.
3.5mm
Headphone jack. Still here.
3mm
Edge radius. No sharp corners.
The back is a matte mineral composite that hides fingerprints. The frame is the same grey-green aluminium on every finish.
05 Colour Four finishes, named for what they look like.
Lichen
CN1-LCH
Grey-green, like moss on a north wall.
Same price in every colour.
06 Price Two batteries. Otherwise the same phone.
Cairn One
- 128 GB
- $549
- 256 GB
- $629
Cairn One Long
- 128 GB
- $649
- 256 GB
- $729
07 Reserve Pick three things. Nothing is charged.
1 Model
2 Finish
Lichen
3 Storage
Cairn One · Lichen · 128 GB
$549
Nothing is charged or sent.
Reserved — not really.
This is a design template; nothing was sent.
This is a fictional phone created as a design template. No device exists and nothing is for sale.
Specs, prices and dates are invented. Cairn is not a company.