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Head to head · Prices checked Nov 14, 2026

Azio IZO Numpad vs Yunzii AL21

Get the Yunzii AL21 for the 1,500 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

Azio IZO Numpad

Build quality in the bottom 15% of Numpad boards under $100.

Get the

Yunzii AL21

Battery

Build quality in the top 15% of Numpad boards under $50.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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

Yunzii AL21

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    1,000 mAh

    1,500 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum

  • Switch options

    Clicky, Linear

    Linear

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Azio IZO Numpad
  • Yunzii AL21
Performance
58
75
Build quality
47
77
Productivity
59
84
Customizability
54
74
Portability
86
89

What they share

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

Full specs

Azio IZO Numpad vs Yunzii AL21 specs

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

10 of 20 specs differ

Azio IZO Numpad

Yunzii AL21

Typing & switches

Switch options

Clicky, Linear
Linear

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Battery

1,000 mAh
1,500 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Keycaps

PBT
PBT

Weight

221 g
458 g

Dimensions

42 x 150 x 92 mm
44 x 136 x 91 mm

Backlight

White
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2021
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.

Yunzii AL212 stores

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