Keychron J1
KeychronReleased 2025
J1
82/100
75% ANSI1,000 Hz pollingHot-swappableHall-effectQMK / VIARGB backlight
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Why we rate it
- Class-leading productivity (89/100)
- Class-leading customisability (86/100)
- Hot-swappable switches
- First-class QMK / VIA firmware
- ABS case rather than metal
Score profile
Six weighted axes · the shape tells the storyWhere the J1 wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Layout
Layout size75
StandardANSI
ProfileLow
ErgonomicsNormal
Volume knobYes
OLED / LCD screenYes
Switches & feel
Switch typesLinear · Tactile · Clicky
Hot-swappableYes
Screw-in stabilisersYes
Sound dampeningYes
Hall-effect / magneticYes
Rapid triggerYes
Connectivity & firmware
ConnectionWireless + wired
USB-CYes
Polling rate1,000 Hz
Battery2000 mAh
N-key rolloverYes
QMKYes
VIAYes
VIALYes
Mac & WindowsYes
Multi-media keysYes
Build
Case materialABS
Keycap materialPBT
BacklightRGB · White · North-Face
ColourwaysYes
Dimensions23
Weight661 g
More specs
Height Mm23 mm
Low ProfileYes
Passthrough UsbYes
Head to head
Highlighted cell = better in that rowJ1 vs Ajazz Ajazz AK820 Pro
J1Ajazz AK820 Pro
| KeychronJ1This page | AjazzAjazz AK820 Pro | |
|---|---|---|
| Overall score | 82 /100Better | 81 /100 |
| Build quality | 71 /100 | 72 /100Better |
| Performance | 81 /100Better | 62 /100 |
| Connection | Wireless + wired | Wireless + wired |
| Polling rate | 1,000 Hz | — |
| Mount type | — | Gasket MountBetter |
| Case material | ABS | ABS · AluminumBetter |
| Hot-swappable | Yes | Yes |
| QMK / VIA | Yes | Yes |
