The Keychron LK Optical switches are renowned with its smooth and tactile typing experience. They are fully compatible with our K4 and K6 Wireless Keyboard Optical switch versions. LK Optical switches offer better speed, responsiveness and longevity as well. They even come in the traditional 3 colour ranges, Red, Blue and Brown to suit your various needs. The LK Optical Brown switches feature a more gentle sound level but with a tactile response with each keystroke, making them ideal for either gaming or the office as this range sits roughly between the two.

Keychron LK switches have a horizontal infrared light beam shooting across the inside of the switch shaft. The stem of the switch blocks the light beam, but when you press a key, you push down the stem, allowing the light to make a connection across the shaft and actuate the command. The LK switches also actuate at round 1.5mm, as opposed to the 2.0-2.3mm actuation of most standard mechanical switches, giving you better feedback and responsiveness when pressing a key.


  • Keychron LK Brown Switch Set
  • 12 Piece Set with holder
  • Tactile behavior and Gentle sound level
  • Suitable for Gaming and Office
  • Compatible with Keychron K4 and K6 Keyboards


  • Type: Keychron LK Optical Switch
  • Colour: Brown
  • Number of Switches: 12
  • Actuation Force: 40±10gf
  • Pre-travel: 1.8 ±0.5mm
  • Travel Distance: 4 ±0.5mm
  • Behavior: Tactile
  • Sound Level: Gentle


  • Keychron LK Optical Switch 12 Pcs Set with holder – Brown x1

KeychronBrownX002HXIMLN12 MonthsHot-SwappableBrownLight StrikeStandardClear Cap




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