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Head to head · Prices checked Nov 2, 2026

Coolkiller Balloon84 vs Niz L84/L99

Get the Coolkiller Balloon84 for sound dampening and media keys.

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Quick verdict

Which one should you get?

Get the

Coolkiller Balloon84

Sound dampening

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

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
$129 at WhatGeek

Get the

Niz L84/L99

Build quality in the bottom 5% of 75% boards under $200.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
$195 at Mechkeys

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.

Coolkiller Balloon84

Niz L84/L99

  • Display

    None

    Yes

    A case display rather than a typing feature

  • Sound dampening

    Yes

    No

  • Backlight

    White

    RGB

    RGB for looks and low light rather than speed

  • Media keys

    Yes

    No

  • Released

    2024

    2025

KeebFinder scores

How we score
  • Coolkiller Balloon84
  • Niz L84/L99
Performance
55
49
Build quality
61
41
Productivity
78
57
Customizability
63
69
Portability
83
78

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
See every spec side by side

Full specs

Coolkiller Balloon84 vs Niz L84/L99 specs

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

6 of 19 specs differ

Coolkiller Balloon84

Niz L84/L99

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
Yes

Media keys

Yes
No

Connectivity & battery

Connection

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

Battery

3,500 mAh
—

USB-C

Yes
No

Build & materials

Case material

Aluminum, Plastic
—

Keycaps

PC
—

Weight

870 g
—

Dimensions

33 x 144 x 329 mm
—

Backlight

White
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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.

Coolkiller Balloon842 stores
Niz L84/L992 stores

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