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Head to head · Prices checked Nov 11, 2026

Keychron B4 Pro vs XVX L75 Air

Get the XVX L75 Air for hot-swappable and the 3,700 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron B4 Pro

Build quality in the bottom 10% of 96% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

XVX L75 Air

Hot-swappable

Build quality in the top 30% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 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 B4 Pro

XVX L75 Air

  • Layout size

    96%

    75%

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Battery

    800 mAh

    3,700 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Display

    None

    LED

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Keychron B4 Pro
  • XVX L75 Air
Performance
51
61
Build quality
43
74
Productivity
71
76
Customizability
43
67
Portability
52
80

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Low profile
  • Max polling rate: 1,000 Hz
See every spec side by side

Full specs

Keychron B4 Pro vs XVX L75 Air specs

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

11 of 22 specs differ

Keychron B4 Pro

XVX L75 Air

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Low profile

Yes
Yes

Sound dampening

No
Yes

Layout

Layout size

96%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
LED

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

800 mAh
3,700 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

—
Polycarbonate

Keycaps

ABS
PC

Weight

495 g
620 g

Dimensions

-1 x -1 x -1 mm
3 x 1 x 1 mm

Typing angle

3°
—

Backlight

None
RGB, south-facing

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

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.

XVX L75 Air2 stores

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