Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 23, 2026

Azio IZO Numpad vs MelGeek O2

Get the Azio IZO Numpad for hot-swappable. Get the MelGeek O2 for the 2,500 mAh battery.

O2 Tri-mode Wireless Mechanical Keyboard

Battery

MelGeek O2

from$109at MelGeek

90-day low

Shop nowSee all prices

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.

Azio IZO Numpad

MelGeek O2

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

  • Hot-swappable

    Yes

    No

  • Battery

    1,000 mAh

    2,500 mAh

  • Case material

    Plastic

    ABS, Aluminum, Polycarbonate

  • Weight

    221 g

    650 g

KeebFinder scores

How we score
  • Azio IZO Numpad
  • MelGeek O2
Performance
59
54
Build quality
48
65
Productivity
59
53
Customizability
54
50
Portability
86
82

What they share

  • Layout size: Numpad
  • Keycaps: PBT
See every spec side by side

Full specs

Azio IZO Numpad vs MelGeek O2 specs

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

11 of 22 specs differ

Azio IZO Numpad

MelGeek O2

Typing & switches

Switch options

Clicky, Linear
—

Hot-swappable

Yes
No

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

1,000 mAh
2,500 mAhBetter

USB-C

Yes
No

Build & materials

Case material

Plastic
ABS, Aluminum, Polycarbonate

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

221 g
650 g

Dimensions

42 x 150 x 92 mm
135 x 326 x 27 mm

Typing angle

—
4°

Backlight

White
RGB, north-facing

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2021
2025

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AzioUS

    In stock
    $69Visit
  • AmazonGlobal

    Check price
    ~$69Visit
MelGeek O22 stores
  • MelGeekCN

    In stock
    $109Visit
  • AmazonGlobal

    Check price
    ~$109Visit

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.