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Head to head · Prices checked Oct 28, 2026

Lofree Flow Lite 2 vs Keychron B40

Get the Lofree Flow Lite 2 for hot-swappable and the 3,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Lofree Flow Lite 2

Hot-swappable

Build quality in the top 20% of 75% boards under $50.

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.
$2 at Lofree

Get the

Keychron B40

Build quality in the bottom 15% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
$49 at Keychron

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.

Lofree Flow Lite 2

Keychron B40

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    3,000 mAh

    800 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Standard

    Alice

  • Display

    LED

    None

    A case display rather than a typing feature

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Lofree Flow Lite 2
  • Keychron B40
Performance
68
53
Build quality
80
46
Productivity
94
81
Customizability
82
46
Portability
83
78

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Low profile
  • Max polling rate: 1,000 Hz
  • Case material: ABS
  • Knob
See every spec side by side

Full specs

Lofree Flow Lite 2 vs Keychron B40 specs

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

10 of 24 specs differ

Lofree Flow Lite 2

Keychron B40

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS
ANSI

Ergonomics

Standard
Alice

Knob

Yes
Yes

Display

LED
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

3,000 mAhBetter
800 mAh

USB passthrough

Yes
No

USB-C

Yes
Yes

Build & materials

Case material

ABS
ABS

Plate material

Plastic
—

Keycaps

PBT
ABS

Weight

—
595 g

Typing angle

—
7°

Backlight

White, north-facing
None

Firmware & software

VIA

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2026
2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Lofree Flow Lite 2

  • Lofree

    ISO-DE, ISO-UK, ISO-FR

    In stockShips to you

Keychron B40

No ISO layout at the stores we track.

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.

Lofree Flow Lite 23 stores
Keychron B402 stores

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