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Head to head · Prices checked Oct 30, 2026

Keychron B31 vs Xinmeng M75/M75 Pro

Get the Keychron B31 for media keys.

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Quick verdict

Which one should you get?

Get the

Keychron B31

Media keys

Build quality in the bottom 20% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Xinmeng M75/M75 Pro

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

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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 B31

Xinmeng M75/M75 Pro

  • Switch options

    Clicky, Linear, Tactile

    Silent

  • Mount style

    PCB Mount

    Tray Mount

  • Display

    None

    LED

    A case display rather than a typing feature

  • Backlight

    None

    RGB

    RGB for looks and low light rather than speed

  • Media keys

    Yes

    No

KeebFinder scores

How we score
  • Keychron B31
  • Xinmeng M75/M75 Pro
Performance
59
47
Build quality
52
43
Productivity
69
44
Customizability
46
52
Portability
79
57

What they share

  • Layout size: 75%
  • Max polling rate: 1,000 Hz
See every spec side by side

Full specs

Keychron B31 vs Xinmeng M75/M75 Pro specs

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

8 of 20 specs differ

Keychron B31

Xinmeng M75/M75 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile
Silent

Mount style

PCB Mount
Tray Mount

Layout

Layout size

75%
75%

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Display

None
LED

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
—

Max polling rate

1,000 Hz
1,000 Hz

Battery

800 mAh
—

USB-C

Yes
No

Build & materials

Case material

ABS, Plastic
—

Keycaps

ABS
—

Weight

520 g
—

Dimensions

26 x 138 x 327 mm
—

Typing angle

5°
—

Backlight

None
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2026
2026

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Keychron B314 stores

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