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Head to head · Prices checked Oct 21, 2026

Velocifire Bubble75 vs Keydous NJ80 Pro

Get the Velocifire Bubble75 for qmk and via. Get the Keydous NJ80 Pro for knob.

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.

Velocifire Bubble75

Keydous NJ80 Pro

  • Connection

    Wired

    Wired, Wireless

  • Knob

    No

    Yes

  • Display

    None

    Yes

  • QMK

    Yes

    No

  • VIA

    Yes

    No

KeebFinder scores

How we score
  • Velocifire Bubble75
  • Keydous NJ80 Pro
Performance
61
68
Build quality
86
50
Productivity
87
68
Customizability
86
73
Portability
64
80

What they share

  • Layout size: 75%
  • Hot-swappable
  • Case material: Aluminum
See every spec side by side

Full specs

Velocifire Bubble75 vs Keydous NJ80 Pro specs

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

14 of 26 specs differ

Velocifire Bubble75

Keydous NJ80 Pro

Typing & switches

Switch options

—
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
Yes

Connectivity & battery

Connection

Wired
Wired, Wireless

Battery

Wired only
5,000 mAh

USB passthrough

No
Yes

USB-C

Yes
No

Build & materials

Case material

Aluminum
Aluminum

Plate material

Polycarbonate
FR4

Keycaps

—
PBT

Weight

—
1,400 g

Dimensions

—
27 x 140 x 325 mm

Typing angle

6°
—

Backlight

None
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

  • AmazonGlobal

    Check price
    ~$339Visit
  • VelocifireCN

    Out of stock
    $339Visit
  • MechkeysCN

    In stock
    $309Visit
  • AmazonGlobal

    Check price
    ~$309Visit

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