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Head to head · Prices checked Oct 21, 2026

Keychron B3 Pro vs MK LowKey70

Get the MK LowKey70 for hot-swappable and the 2,000 mAh battery.

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 B3 Pro

MK LowKey70

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

  • Hot-swappable

    No

    Yes

  • Battery

    1,200 mAh

    2,000 mAh

  • Case material

    ABS

    Aluminum

  • Keycaps

    ABS

    PBT

KeebFinder scores

How we score
  • Keychron B3 Pro
  • MK LowKey70
Performance
51
64
Build quality
43
67
Productivity
70
76
Customizability
48
74
Portability
79
83

What they share

  • Layout size: 75%
  • Low profile
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Full specs

Keychron B3 Pro vs MK LowKey70 specs

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

7 of 22 specs differ

Keychron B3 Pro

MK LowKey70

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

—
Plate Mount

Low profile

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
—

Battery

1,200 mAh
2,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

—
Aluminum

Keycaps

ABS
PBT

Weight

410 g
—

Dimensions

3 x 100 x 380 mm
—

Typing angle

3°
—

Backlight

None
RGB

Firmware & software

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.

Lowest price across stores, Amazon excluded.

  • KeychronHK

    In stock
    $34Visit
  • Keychron (DE)DE

    In stock
    $60Visit
  • AmazonGlobal

    Check price
    Visit
MK LowKey702 stores
  • MKUS

    In stock
    $45Visit
  • AmazonGlobal

    Check price
    ~$45Visit

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