Keychron K4 HE – 96% Compact Hall Effect Wireless Mechanical Keyboard with Number Pad, Magnetic Switch, Rapid Trigger, Custom RGB, QMK/VIA, 2.4GHz/BT5.2/Wired, for Mac/Windows/Linux, Wood Frame, Black
| Country | USA |
| Manufacturer | Chapman and Hall/CRC |
| Binding | Kindle Edition |
| ReleaseDate | 2020-09-16 |
| Format | Kindle eBook |