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Head to head · Prices checked Oct 21, 2026

Jamesdonkey RS2 4.0 vs Lofree Flow Lite

Get the Jamesdonkey RS2 4.0 for the 4,000 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.

Jamesdonkey RS2 4.0

Lofree Flow Lite

  • Layout size

    96%

    75%

  • Battery

    4,000 mAh

    3,000 mAh

  • Low profile

    No

    Yes

  • Case material

    Aluminum

    ABS, Aluminum, Plastic

  • Weight

    1,150 g

    555 g

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Lofree Flow Lite
Performance
58
49
Build quality
71
75
Productivity
93
93
Customizability
82
86
Portability
53
82

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • QMK
  • Sound dampening
See every spec side by side

Full specs

Jamesdonkey RS2 4.0 vs Lofree Flow Lite specs

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

10 of 24 specs differ

Jamesdonkey RS2 4.0

Lofree Flow Lite

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Low profile

No
Yes

Sound dampening

Yes
Yes

Layout

Layout size

96%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAhBetter
3,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum, Plastic

Keycaps

PBT
PBT, PC

Weight

1,150 g
555 g

Dimensions

34 x 405 x 138 mm
24 x 315 x 126 mm

Backlight

RGB
White

Firmware & software

QMK

Yes
Yes

VIA

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • WhatGeekCN

    Out of stock
    $108Visit
  • MechkeysCN

    In stock
    $129Visit
  • AmazonGlobal

    Check price
    ~$129Visit
  • WhatGeekCN

    Out of stock
    $53Visit

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.

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