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

Head to head · Prices checked Oct 25, 2026

Keychron J2 vs Redragon K708

Get the Keychron J2 for qmk and via. Get the Redragon K708 for knob.

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

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.

Keychron J2

Redragon K708

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Knob

    No

    Yes

  • Display

    None

    TFT

    A case display rather than a typing feature

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Keychron J2
  • Redragon K708
Performance
70
79
Build quality
71
76
Productivity
74
83
Customizability
86
73
Portability
73
77

What they share

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

Full specs

Keychron J2 vs Redragon K708 specs

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

11 of 24 specs differ

Keychron J2

Redragon K708

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
TFT

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

3,750 mAh
—

USB-C

No
Yes

Build & materials

Case material

—
Aluminum

Keycaps

PBT
ABS, PBT

Weight

—
850 g

Dimensions

—
43 x 335 x 140 mm

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2024

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.

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.