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Head to head · Prices checked Nov 11, 2026

Keychron B1 Pro vs K2 Ultra

Get the Keychron K2 Ultra for hot-swappable and the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron B1 Pro

Build quality in the bottom 5% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • Missing ISO-FR, ISO-ES, ISO-IT. The other board is sold in those layouts.

Get the

Keychron K2 Ultra

Hot-swappable

Build quality in the top 10% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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 B1 Pro

Keychron K2 Ultra

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Battery

    800 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    Yes

    No

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    ABS, Plastic

    ABS, Aluminum

KeebFinder scores

How we score
  • Keychron B1 Pro
  • Keychron K2 Ultra
Performance
50
90
Build quality
42
86
Productivity
69
94
Customizability
46
92
Portability
78
82

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron B1 Pro

4.4

7 owner reviews

Praise
“I really like this keyboard, particularly due to its ISO PT layout. For the next iteration, I suggest using a higher-quality plastic, as the keycaps feel a bit cheap. I would easily pay 20/30 EUR more if the keyboard felt more premium.”
A.Verified buyer· via Keychron

Keychron K2 Ultra

5.0

3 owner reviews

Praise
“very compact, build quality is great, and I don't even feel any latency when using the keyboard wireless.”
AnonymousVerified buyer· via Keychron

Full specs

Keychron B1 Pro vs K2 Ultra specs

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

16 of 27 specs differ

Keychron B1 Pro

Keychron K2 Ultra

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Low profile

Yes
No

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, JIS
ANSI, ISO, ISO-ES, ISO-FR, ISO-IT

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

800 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
ABS, Aluminum

Plate material

—
Steel

Keycaps

ABS
PBT

Weight

425 g
1,084 g

Dimensions

5 x 296 x 130 mm
31 x 312 x 122 mm

Typing angle

3°
—

Backlight

None
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2026

For EU buyers

ISO layouts by store

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

Keychron B1 Pro

  • Keychron

    ISO

    In stockShips to you

  • Keychron (DE)

    ISO

    In stockDoes not ship to you

Keychron K2 Ultra

  • Keychron (DE)

    ISO-FR, ISO-ES, ISO-IT

    In stockDoes not ship to you

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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