Keychron B31 vs K2
Get the Keychron K2 for hot-swappable and the 4,000 mAh battery.
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from$34at MK
90-day lowLowest price in 90 days
4.8 (35)4.8 · 35 reviews
from$52at Keychron
Which one should you get?
Get the
Keychron B31
Build quality in the bottom 20% of 75% boards under $50.
- Switches are soldered. Swapping them means soldering.
Get the
Keychron K2
Hot-swappable
Build quality in the top 50% of 75% boards under $100.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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 B31
Keychron K2
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Battery
800 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, Plastic
ABS, Aluminum, Plastic
Mount style
PCB Mount
Tray Mount
- Keychron B31
- Keychron K2
- Performance
- 5968
- Build quality
- 5267
- Productivity
- 6967
- Customizability
- 4763
- Portability
- 7981
- Layout size: 75%
- Max polling rate: 1,000 Hz
- Switch options: Clicky, Linear, Tactile
- Keycaps: ABS
Keychron B31 vs K2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 21 specs differ
Keychron B31
Keychron K2
Switch options
Hot-swappable
Mount style
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Mac & Windows
Released
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