Keychron K3 HE vs Keydous NJ81
Get the Keychron K3 HE for hall effect and rapid trigger. Get the Keydous NJ81 for the 4,000 mAh battery.
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 K3 HE
Keydous NJ81
Hall effect (magnetic)
Yes
No
Rapid trigger
Yes
No
Battery
2,600 mAh
4,000 mAh
Low profile
Yes
No
Case material
ABS, Aluminum, Wood
Plastic
- Keychron K3 HE
- Keydous NJ81
- Performance
- 9249
- Build quality
- 8655
- Productivity
- 8865
- Customizability
- 8979
- Portability
- 8280
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Keycaps: PBT
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 HE
8 owner reviews
“I am happy with this keyboard! I needed some time to adjust my typing habits, but so far so good.”
“please add a custom firmware file in your as the app can not recognize the keyboard and apparently doesn't have a correct firmware. the reset buttons do not work as well”
Keydous NJ81
No owner reviews collected yet.
Keychron K3 HE vs Keydous NJ81 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
18 of 27 specs differ
Keychron K3 HE
Keydous NJ81
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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