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Head to head · Prices checked Nov 11, 2026

Keychron J1 vs MK LowKey70

Get the Keychron J1 for qmk and via.

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Quick verdict

Which one should you get?

Get the

Keychron J1

QMK

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

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

MK LowKey70

Build quality in the bottom 35% of 75% boards under $50.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.

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 J1

MK LowKey70

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS

    Aluminum

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • Keychron J1
  • MK LowKey70
Performance
82
64
Build quality
71
66
Productivity
89
76
Customizability
86
73
Portability
80
83

What they share

  • Layout size: 75%
  • Hot-swappable
  • Battery: 2,000 mAh
  • Low profile
  • Switch options: Clicky, Linear, Tactile
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron J1 vs MK LowKey70 specs

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

9 of 26 specs differ

Keychron J1

MK LowKey70

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount

Low profile

Yes
Yes

Sound dampening

Yes
No

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
Bluetooth, Wired

Max polling rate

1,000 Hz
—

Battery

2,000 mAh
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

—
Aluminum

Keycaps

PBT
PBT

Weight

661 g
—

Dimensions

23 x 327 x 144 mm
—

Typing angle

19°
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2023

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 J13 stores
MK LowKey702 stores

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