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Compact 23-key mechanical keypad with blue switches and RGB backlighting in black finish

Koolertron

Koolertron 23-key programmable mechanical gaming keyboard (blue axis RGB black)

SKU CH-R5J8-1MCWC

A 23-key mechanical keypad with blue switches and RGB lighting that stores 24 macros and 792 commands across four layers in its onboard MCU

  • 23 fully programmable keys adapt to any workflow
  • 24 macro functions with up to 792 key commands automate complex tasks
  • 4 onboard profiles switch instantly via built-in MCU storage
  • RGB backlighting provides clear key visibility in low light
  • Compact one-hand design fits tight desk spaces

One-handed programmable macro keyboard

The Koolertron 23-key mechanical keyboard is a compact left-hand device built for gamers, programmers and creative professionals who want dedicated macro control separate from a standard 104-key board. It uses blue clicky switches and per-key RGB backlighting.

Replaces keyboard shortcuts

All 23 keys and 24 macro slots are fully programmable via dedicated software, storing up to 792 key commands across four onboard profiles saved to the built-in MCU. The jump is worth it when repetitive editing, CAD shortcuts or complex gaming combos need single-press execution without layer juggling on a full-size keyboard.

USB plug-and-play with Japanese-market firmware

The unit draws power over USB and requires no driver for basic operation, but the configuration software and on-device interface language are Japanese only. Buyers who cannot read Japanese menus or need voltage above 100 V without a transformer should look elsewhere.

Punti di forza

  • 23 fully programmable keys adapt to any workflow
  • 24 macro functions with up to 792 key commands automate complex tasks
  • 4 onboard profiles switch instantly via built-in MCU storage
  • RGB backlighting provides clear key visibility in low light
  • Compact one-hand design fits tight desk spaces

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Domande su questo articolo

What kind of USB port does the 23-key keyboard plug into?

It connects through a standard USB-A port on the computer, drawing power directly from the bus without an external adapter.

Which step in the software setup is most often missed?

After assigning macros to the 24 macro slots across the 4 layers, you must click the write or upload button to burn the configuration into the onboard MCU so the keys work on any PC without the software running.

How do I clean the mechanical blue switches when they start to feel gritty?

Pull off the keycaps with a wire puller, blow out dust with compressed air, and if a switch still binds, desolder that single switch from the PCB and solder in a fresh blue-axis unit.

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