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Head to head · Prices checked Nov 10, 2026

Cidoo ABM066 Alice vs Niuniu KB40

Get the Cidoo ABM066 Alice for knob.

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Quick verdict

Which one should you get?

Get the

Cidoo ABM066 Alice

Knob

Build quality in the top 30% of 65% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 65% layout. No function row and no numpad.

Get the

Niuniu KB40

Build quality in the bottom 40% of 40% boards under $300.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or 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.

Cidoo ABM066 Alice

Niuniu KB40

  • Layout size

    65%

    40%

  • Connection

    Wireless

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Ergonomics

    Alice

    Ortholinear

  • Knob

    Yes

    No

  • Display

    Yes

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Cidoo ABM066 Alice
  • Niuniu KB40
Performance
53
47
Build quality
77
67
Productivity
76
80
Customizability
87
63
Portability
80
88

What they share

  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

Cidoo ABM066 Alice vs Niuniu KB40 specs

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

12 of 22 specs differ

Cidoo ABM066 Alice

Niuniu KB40

Typing & switches

Switch options

Clicky, Silent
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

65%
40%

Layout standard

ANSI
ANSI

Ergonomics

Alice
Ortholinear

Knob

Yes
No

Display

Yes
None

Connectivity & battery

Connection

Wireless
Bluetooth, 2.4 GHz, Wired

Battery

3,000 mAh
—

USB-C

No
Yes

Build & materials

Case material

—
Aluminum

Plate material

—
Aluminum, FR4

Weight

700 g
—

Dimensions

40 x 121 x 371 mm
—

Backlight

RGB, south-facing
None

Firmware & software

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2023
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.

Niuniu KB402 stores

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