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Head to head · Prices checked Oct 21, 2026

Aesco A83 Air vs Coolkiller Balloon84

Get the Aesco A83 Air for the 3,800 mAh battery. Get the Coolkiller Balloon84 for sound dampening and media keys.

CoolKiller Balloon84 Low Profile Mechanical Keyboard

Sound dampening

Coolkiller Balloon84

from$129

90-day low

Check priceSee 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.

Aesco A83 Air

Coolkiller Balloon84

  • Battery

    3,800 mAh

    3,500 mAh

  • Sound dampening

    No

    Yes

  • Keycaps

    PBT

    PC

  • Backlight

    RGB

    White

  • Media keys

    No

    Yes

KeebFinder scores

How we score
  • Aesco A83 Air
  • Coolkiller Balloon84
Performance
44
55
Build quality
40
61
Productivity
45
78
Customizability
56
63
Portability
62
83

What they share

  • Layout size: 75%
  • Hot-swappable
  • Low profile
See every spec side by side

Full specs

Aesco A83 Air vs Coolkiller Balloon84 specs

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

8 of 19 specs differ

Aesco A83 Air

Coolkiller Balloon84

Typing & switches

Switch options

—
Linear

Hot-swappable

Yes
Yes

Low profile

Yes
Yes

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

—
Bluetooth, 2.4 GHz, Wired

Battery

3,800 mAhBetter
3,500 mAh

USB-C

No
Yes

Build & materials

Case material

—
Aluminum, Plastic

Keycaps

PBT
PC

Weight

—
870 g

Dimensions

—
33 x 144 x 329 mm

Backlight

RGB
White

Firmware & software

Mac & Windows

No
Yes

Extras

Released

2026
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $119Visit
  • AmazonGlobal

    Check price
    ~$119Visit
  • AmazonGlobal

    Check price
    ~$129Visit
  • WhatGeekCN

    Out of stock
    $129Visit

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