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Head to head · Prices checked Oct 21, 2026

Keydous NJ81 vs Lofree TOFU100

Get the Keydous NJ81 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.

Keydous NJ81

Lofree TOFU100

  • Layout size

    75%

    100%

  • Battery

    4,000 mAh

    3,000 mAh

  • Case material

    Plastic

    ABS

  • Switch options

    Clicky, Linear

    Linear

  • Mount style

    Gasket Mount

    Plate Mount

KeebFinder scores

How we score
  • Keydous NJ81
  • Lofree TOFU100
Performance
49
64
Build quality
55
59
Productivity
65
73
Customizability
79
75
Portability
80
57

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Keycaps: PBT
See every spec side by side

Full specs

Keydous NJ81 vs Lofree TOFU100 specs

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

13 of 22 specs differ

Keydous NJ81

Lofree TOFU100

Typing & switches

Switch options

Clicky, Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Layout

Layout size

75%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

Yes
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Battery

4,000 mAhBetter
3,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS

Plate material

Brass, Steel
—

Keycaps

PBT
PBT

Weight

970 g
1,010 g

Dimensions

36 x 134 x 315 mm
55 x 129 x 367 mm

Typing angle

—
12°, 9°

Backlight

RGB
None

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Keydous NJ812 stores
  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • LofreeHK

    In stock
    $100Visit
  • MKUS

    In stock
    $139Visit
  • AmazonGlobal

    Check price
    ~$100Visit
  • WhatGeekCN

    Out of stock
    $49Visit

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