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Head to head · Prices checked Nov 11, 2026

Keychron K3 Ultra vs Mistel Air One

Get the Keychron K3 Ultra for hot-swappable and the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

Keychron K3 Ultra

Hot-swappable

Build quality in the top 30% of 75% boards under $150.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • No numpad.

Get the

Mistel Air One

Build quality in the bottom 45% of 65% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • 65% layout. No function row and no numpad.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Keychron K3 Ultra

Mistel Air One

  • Layout size

    75%

    65%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Max polling rate

    8,000 Hz

    1,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    ABS, Wood

    ABS, Aluminum

KeebFinder scores

How we score
  • Keychron K3 Ultra
  • Mistel Air One
Performance
86
68
Build quality
75
59
Productivity
89
63
Customizability
86
56
Portability
82
70

What they share

  • Low profile
  • Mount style: Plate Mount
  • Sound dampening
See every spec side by side

Full specs

Keychron K3 Ultra vs Mistel Air One specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

15 of 25 specs differ

Keychron K3 Ultra

Mistel Air One

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Tactile

Hot-swappable

Yes
No

Mount style

Plate Mount
Plate Mount

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Layout

Layout size

75%
65%

Layout standard

ANSI, ISO
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

8,000 HzBetter
1,000 Hz

Battery

2,600 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, Wood
ABS, Aluminum

Plate material

Aluminum
Plastic

Keycaps

PBT
ABS

Weight

—
295 g

Dimensions

—
13 x 100 x 308 mm

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2023

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K3 Ultra

  • Keychron

    ISO

    In stockShips to you

  • Keychron (DE)

    ISO

    In stockDoes not ship to you

Mistel Air One

No ISO layout at the stores we track.

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

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