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

Head to head · Prices checked Nov 11, 2026

AULA F108 vs Keychron J2

Get the AULA F108 for the 8,000 mAh battery. Get the Keychron J2 for qmk and via.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Battery

AULA F108

EPOMAKER x AULA F108

5.0 (14)

$76at Epomaker

90-day low

Quick verdict

Which one should you get?

Get the

AULA F108

Battery

Build quality in the top 50% of 100% boards under $100.

Rules this board out

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

Get the

Keychron J2

QMK

Build quality in the top 40% of 75% boards under $100.

Rules this board out

  • No numpad.

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.

AULA F108

Keychron J2

  • Layout size

    100%

    75%

  • Battery

    8,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • AULA F108
  • Keychron J2
Performance
74
69
Build quality
59
71
Productivity
76
73
Customizability
58
86
Portability
63
73

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

AULA F108

5.0

14 owner reviews

Praise
“The title describes itself, it sounds amazing, it has a great battery length, the keys feel amazing, I love the size and it's great for my work as a programmer. Would recommend, 10/10.”
Jan L.Verified buyer· via Epomaker

Keychron J2

4.6

20 owner reviews

Praise
“I absolutely love this keyboard. It sounds amazing and the red switches are so smooth in feel. The colours are also great.”
WojciechVerified buyer· via Keychron
Critique
“The keyboard is nice, but it took over 3 weeks of shipping to arrive. On their website it says they deliver in a week or under to the US.”
JaydenVerified buyer· via Keychron

Full specs

AULA F108 vs Keychron J2 specs

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

11 of 24 specs differ

AULA F108

Keychron J2

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

100%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

8,000 mAhBetter
3,750 mAh

USB-C

Yes
No

Build & materials

Case material

ABS
—

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

1,000 g
—

Dimensions

33 x 443 x 136 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2026
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.

AULA F1082 stores
Keychron J23 stores

Still torn?

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