---
product_id: 690555691
title: "Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black)"
brand: "cosmic byte"
price: "¥35862"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/690555691-cosmic-bytecb-gk-18-firefly-per-key-rgb-tkl-mechanical
store_origin: JP
region: Japan
---

# 18 presets Swappable switches Compact design Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black)

**Brand:** cosmic byte
**Price:** ¥35862
**Availability:** ✅ In Stock

## Summary

> 🌌 Elevate Your Game with Cosmic Precision!

## Quick Answers

- **What is this?** Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black) by cosmic byte
- **How much does it cost?** ¥35862 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/690555691-cosmic-bytecb-gk-18-firefly-per-key-rgb-tkl-mechanical)

## Best For

- cosmic byte enthusiasts

## Why This Product

- Trusted cosmic byte brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Macro Mastery:** Easily program macros for quick access to your favorite commands and shortcuts.
- • **Space-Saving Design:** Compact TKL layout maximizes your desk space for a cleaner, more organized workstation.
- • **Ergonomic Excellence:** Textured keycaps and adjustable height ensure comfort during marathon gaming sessions.
- • **Unleash Your Creativity:** Customize with 18 preset RGB configurations to match your unique style.
- • **Precision at Your Fingertips:** Outemu Red switches deliver lightning-fast response times for gaming and typing.

## Overview

The Cosmic ByteCB-GK-18 Firefly is a TKL mechanical keyboard designed for gamers and professionals alike, featuring customizable RGB lighting, swappable Outemu Red switches, and a compact design that enhances both aesthetics and functionality. With ergonomic keycaps and adjustable height, it ensures comfort and efficiency for all your typing and gaming needs.

## Description

Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black)

## Features

- Enhance your gaming experience with 18 preset configurations on mechanical keyboard and find a unique one to match your own system.
- The Firefly comes with customized Outemu Red Mechanical switches to ensure best quality and are equipped with optical sensors for precise gaming and comfortable typing.
- Textured and contoured keycaps provide maximum grip and enhanced feel. No matter how fast your in-game actions are, every key press registers correctly.
- The compact design of the keyboard takes up minimum tablespace for a neater and cleaner workstation.
- With keycaps leaning backward and forward design to make the typing more comfortable, the fold-out legs allows you to choose the best typing height.

## Product Details

- **Brand:** Cosmic Byte
- **Color:** Black
- **Connectivity Technology:** Usb
- **Special Feature:** Ergonomic
- **Compatible Devices:** Laptop

## Images

![Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black) - Image 1](https://m.media-amazon.com/images/I/71+MnjtkHZL.jpg)
![Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black) - Image 2](https://m.media-amazon.com/images/I/71DqnOubaCL.jpg)
![Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black) - Image 3](https://m.media-amazon.com/images/I/61mtDBGLMUL.jpg)
![Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black) - Image 4](https://m.media-amazon.com/images/I/61vRUrSFMwL.jpg)
![Cosmic ByteCB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black) - Image 5](https://m.media-amazon.com/images/I/614LSE24hbL.jpg)

## Frequently Bought Together

- Cosmic Byte CB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black)
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**Shop now:** [https://www.desertcart.jp/products/690555691-cosmic-bytecb-gk-18-firefly-per-key-rgb-tkl-mechanical](https://www.desertcart.jp/products/690555691-cosmic-bytecb-gk-18-firefly-per-key-rgb-tkl-mechanical)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-05*