Keychron J2 vs Xinmeng A66
Get the Keychron J2 for qmk and via. Get the Xinmeng A66 for the 4,600 mAh battery and knob.
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 J2
Xinmeng A66
Layout size
75%
65%
Battery
3,750 mAh
4,600 mAh
Knob
No
Yes
QMK
Yes
No
VIA
Yes
No
- Keychron J2
- Xinmeng A66
- Performance
- 7040
- Build quality
- 7163
- Productivity
- 7465
- Customizability
- 8666
- Portability
- 7388
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron J2
11 owner reviews
“I absolutely love this keyboard. It sounds amazing and the red switches are so smooth in feel. The colours are also great.”
“The keyboard is nice, but it took over 3 weeks of shipping to arrive. On their website it says they deliver in a week or under to the US.”
Xinmeng A66
No owner reviews collected yet.
Keychron J2 vs Xinmeng A66 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 24 specs differ
Keychron J2
Xinmeng A66
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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