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Head to head · Prices checked Nov 7, 2026

Cidoo V75 Plus vs MelGeek O2

Get the Cidoo V75 Plus for the 3,000 mAh battery and via.

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Quick verdict

Which one should you get?

Get the

Cidoo V75 Plus

Battery

Build quality in the bottom 45% of 75% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No numpad.

Get the

MelGeek O2

Build quality in the top 50% of Numpad boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Numpad only. This is not a full keyboard.

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 V75 Plus

MelGeek O2

  • Layout size

    75%

    Numpad

  • Battery

    3,000 mAh

    2,500 mAh

    A larger battery means fewer cables during the day

  • Display

    LED

    None

    A case display rather than a typing feature

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Backlight

    None

    RGB, north-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Cidoo V75 Plus
  • MelGeek O2
Performance
41
54
Build quality
63
65
Productivity
58
54
Customizability
60
50
Portability
72
83

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

Cidoo V75 Plus vs MelGeek O2 specs

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

7 of 19 specs differ

Cidoo V75 Plus

MelGeek O2

Typing & switches

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

LED
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

3,000 mAhBetter
2,500 mAh

Build & materials

Case material

—
ABS, Aluminum, Polycarbonate

Plate material

—
Polycarbonate

Keycaps

—
PBT

Weight

—
650 g

Dimensions

—
135 x 326 x 27 mm

Typing angle

—
4°

Backlight

None
RGB, north-facing

Firmware & software

VIA

Yes
No

Mac & Windows

No
Yes

Extras

Released

2023
2025

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.

MelGeek O22 stores

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