Brand | Keychron®︎ |
Price | standard |
JIS/US | JIS, US |
Keyboard Size | 96%Full |
Key Profile | normal-profile |
Key Sounds | clicky, tactile, silent |
How to Connect | USB, Bluetooth |
Battery | usb-power, rechargeable |
Hotswap | hotswap-available |
Normal or Split | 非分割 |
Types of Keychron and how to choose ▷▷▷

仕様詳細
- trade (brand) name
- Keychron K4(V2)
- Total number of keys
- 103 keys (Japanese)/100 keys (US) *NumLock works only on Windows
- multimedia key
- 12 keys
- Main body material
- Aircraft grade aluminum or plastic frame and ABS bottom
- Keycap Material
- ABS
- backlight
- 18 types, 4 levels of adjustable RGB or White LED
- Supported Systems
- Windows/Android/Mac/iOS
- battery
- 4000mAh rechargeable lithium polymer
- Bluetooth operating time
- RGB: up to 240 hours (with LED OFF), up to 72 hours (with LED ON), White LED: up to 240 hours (with LED OFF), up to 68 hours (with LED ON)
- connection
- Bluetooth and USB TYPE-C
- Bluetooth version
- 5.1
- Size
- Aluminum frame] 376 x 129mm, [Plastic frame] 371 x 124mm (both 32mm high (keycap front) / 41mm high (keycap rear))
- weight
- Approx. 915g (aluminum frame), approx. 744g (plastic frame)
- contents
- K4 keyboard x 1, USB-A to USB Type-C cable x 1, keycap remover x 1, switch remover x 1 (hot-swap model only), user manual x 1
Information reference: https: //kopek.jp/products/keychron-k4-jp/
Difference between K4 and K4 Pro
K4 Pro | K4V2 | |
---|---|---|
hot swap | support | incompatible (Compatible models also exist.) |
QMK/VIA | support | incompatible |
typing angle | 3º, 7º ,10º | 9° only |
key switch | Keychron K Pro | Gateron G Pro 2.0 |
frame | Aluminum frame (approx. 5 mm) | Aluminum bezel (approx. 1 mm) Only for models equipped with *. |
Keycap Material | Doubleshot PBT | Singleshot ABS |
key profile | OSA | None stated |
key layout | ANSI (US sequence only) | ANSI /JIS |
Wireless connection uptime (Backlight off) | 300 hours | 240 hours |
size | 390.6 x 139.2 mm | 371 x 124 mm |
weight | 1280 g | 770g |
Selectable axis types
Gateron G Pro mechanical switches
Red | Blue | Brown | Yellow | White | Silver | |
pressing pressure | 45±15gf | 60±15gf | 55±15gf | 50±5gf | 38±15gf | 42±15gf |
Movement to operation | 2±0.6mm | 2.3±0.6mm | 2±0.6mm | 2.0±0.6mm | 2.0±0.6mm | 1.2±0.3mm |
keystroke | 4.0mm max | 4.0mm max | 4.0mm max | 4.0mm max | 4.0mm max | 3.4+0/-0.4mm |
reaction | linear | clicky | tactile | linear | linear | linear |
sound | silent | loud | calm | silent | silent | silent |
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