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Head to head · Prices checked Oct 21, 2026

Epomaker TH33 vs Feker JJK21

Get the Epomaker TH33 for the 2,000 mAh battery and via.

EPOMAKER TH33

Battery

Epomaker TH33

4.3 · 6 reviews

from$49at Epomaker

Shop nowSee all prices
FEKER JJK21 Numpad DIY Kit with Knob

Feker JJK21

2.8 · 10 reviews

from$39

90-day low

Check priceSee all prices

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.

Epomaker TH33

Feker JJK21

  • Battery

    2,000 mAh

    1,500 mAh

  • Case material

    ABS

    Plastic

  • Weight

    380 g

    300 g

  • VIA

    Yes

    No

  • Plate material

    Polycarbonate

    Plastic

KeebFinder scores

How we score
  • Epomaker TH33
  • Feker JJK21
Performance
79
77
Build quality
77
75
Productivity
88
74
Customizability
83
80
Portability
90
86

What they share

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

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Epomaker TH33

4.3

6 owner reviews

Praise
“Wow, at first I thought it was gonna be useless because I don't use arrows nor numpad, that's why I use only 60% keyboard. When I recieved the TH33 I noticed that I can remap every single button. Now I use it as a budget stream deck, I put on matching keycaps…”
Bruno P.Verified buyer· via Epomaker
Critique
“It was what I wanted but the usability was not as good as I wanted. Software was very buggy and there are almost no alternative keycap options.”
Obafemi A.Verified buyer· via Epomaker

Feker JJK21

2.8

10 owner reviews

Praise
“This numpad has been one of my favorite recent purchases. The wireless is very snappy and painless to pair. I use it to pull out when I need to enter a lot of numbers for work but then put it away for playing games. Its a great little addition and it even has…”
Jacob W.· via Epomaker
Critique
“キーを打つ度にドンドンと机を叩くような低い音が響くので、柔らかいリストレストの上に置いて使っています。 ライティングの設定は、しばらく続けるとなぜか変更を受け付けなくなるので、その度にリセット(多分Fn+Esc長押し)を押しています。 Windowsを起動した直後にpinを入れるためにキーを押しても反応が鈍く、入力をやり直す機会が増えたことも不満です。 追記 接続は、PC側もUSB-Cで繋ぐと安定しました。 ライティングを点滅させるとNumランプも一緒に点滅するので視認性が悪いです。…”
n.Verified buyer· via Epomaker

Full specs

Epomaker TH33 vs Feker JJK21 specs

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

8 of 24 specs differ

Epomaker TH33

Feker JJK21

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

2,000 mAhBetter
1,500 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Plastic

Plate material

Polycarbonate
Plastic

Keycaps

PBT
—

Weight

380 g
300 g

Dimensions

45 x 151 x 141 mm
—

Typing angle

6°
—

Backlight

RGB, south-facing
RGB

Firmware & software

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2025
2022

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $49Visit
  • AmazonGlobal

    Check price
    ~$49Visit
Feker JJK212 stores
  • AmazonGlobal

    Check price
    ~$39Visit
  • WhatGeekCN

    Out of stock
    $39Visit

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