---
product_id: 410611785
title: "Cosmic Byte CB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black)"
brand: "cosmic byte"
price: "₨524"
currency: SCR
in_stock: false
reviews_count: 5
url: https://www.desertcart.sc/products/410611785-cosmic-byte-cb-gk-18-firefly-per-key-rgb-tkl
store_origin: SC
region: Seychelles
---

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

**Brand:** cosmic byte
**Price:** ₨524
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Light up your game and workspace with Firefly brilliance! 🎆

## Quick Answers

- **What is this?** Cosmic Byte CB-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?** ₨524 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/410611785-cosmic-byte-cb-gk-18-firefly-per-key-rgb-tkl)

## 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

- • **Space-Smart TKL Layout:** Compact tenkeyless design frees up desk space for a sleek, clutter-free workstation.
- • **Ergonomic Comfort Design:** Textured, contoured keycaps plus adjustable fold-out legs for fatigue-free productivity.
- • **Seamless Software Control:** Intuitive macro programming and per-key RGB customization to personalize your keyboard experience.
- • **Customizable RGB Brilliance:** 18 dynamic preset lighting modes to match your vibe and setup.
- • **Precision Mechanical Switches:** Swappable Outemu Red switches with optical sensors for ultra-responsive gaming and typing.

## Overview

The Cosmic Byte CB-GK-18 Firefly is a tenkeyless mechanical keyboard featuring swappable Outemu Red switches and per-key RGB lighting with 18 presets. Designed for gamers and professionals alike, it offers ergonomic keycaps, adjustable typing angles, and compact dimensions to optimize desk space. Its braided Type-C cable enhances durability and portability, while dedicated software enables macro programming and full RGB customization.

## Description

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

Review: Being a first-time mechanical keyboard user, I did not know what to expect. Before using the CB GK-18 (Red Outemu switches version), I had also ordered another cheaper alternative available on desertcart. I would have almost settled for that keyboard but I somehow convinced myself to go for this model. It will forever be the best decision I ever made. Cosmic-Byte has put in some amazing resources for the development of its budget gaming segment and it shows. Some key highlights after one month of daily usage - 1. The lower body of the keyboard is metal and the upper plate (just below the keycaps) is texturized plastic. Overall, it seems delightfully sturdy and heavy. Does not give a cheap plastic keyboard feel. 2. The plastic feet below the keyboard support it very well and provide the desired angle required for typing. 3. The braided connection cable is flexible yet tough. It is long enough to plug in behind a desk into a PC. I personally, use it with a USB hub and a laptop. Plugged it in one month back, haven't thought about it since then. 4. Most people are confused about whether to go for blue or red switches. I went for the red switches as contrary to popular opinion, I do not feel that red switches are limited just for gaming. Yes, it took some time to get used to the small actuation force, but once I got used to typing on this keyboard, going back to a membrane keyboard is just not possible. It is true that Outemu switches are probably not the best in the market but they are budget friendly and provide a perfect emulation for first time mechanical keyboard users. 5. Premium features like ‘per-key RGB’ and ‘all key anti-ghosting’ have also been some passive gamechangers. Cosmic-Byte is also working on releasing regular updates for CB-GK software which lets you customize the lighting and set macros. With the latest update, you can even enter the RGB code of a colour and the keyboard will reflect that. In conclusion, the CB-GK 18 has been a great mechanical keyboard for a first-time user. At first, I could not see a reason to pay extra just to get some switches under my keys, but those switches do make a lot of difference in both gaming as well as typing. My use case is mostly typing and some casual gaming. This has been my daily driver and has not failed to deliver yet. A must buy if you manage to get it during a sale. However, if you cannot wait for another sale, just go for it, it is still totally worth it!
Review: Build quality is good. Key spacing is also good. Its a small keyboard so portability is not an issue too since you can just put it in your bag with your laptop. The wire is braided but for some reason mine got some internal damage after some time of normal usage and works only in a certain position. 2 keys were not working after 7-8 months of usage so since the keys are replaceable I interchanged some function keys with these two and works fine now. I mostly used it for gaming and coding.

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08VWGK688 |
| Additional Features | Ergonomic |
| Antenna Location | Gaming |
| Brand | Cosmic Byte |
| Built-In Media | Keyboard x 1 |
| Button Quantity | 87 |
| Color | Black |
| Compatible Devices | Laptop |
| Connectivity Technology | Usb |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,962) |
| Enclosure Material | Plastic |
| Hand Orientation | Ambidextrous |
| Item Type Name | Keyboard |
| Item Weight | 920 Grams |
| Keyboard Backlighting Color Support | RGB |
| Keyboard Description | Gaming |
| Keyboard Layout | QWERTY |
| Language | English |
| Manufacturer | Cosmic Byte |
| Mfr Part Number | CB-GK-18 |
| Model Name | Firefly |
| Model Number | CB-GK-18 |
| Number of Keys | 87 |
| Power Source | Corded Electric |
| Style Name | contemporary |
| Switch Type | Mechanical |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Cosmic Byte
- **Compatible devices:** Laptop
- **Connectivity technology:** Usb
- **Keyboard description:** Gaming
- **Recommended uses for product:** Gaming

## Images

![Cosmic Byte CB-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/61MtcaC55EL.jpg)
![Cosmic Byte CB-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/71uvyaWUhdL.jpg)
![Cosmic Byte CB-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/61lVdOKLYSL.jpg)
![Cosmic Byte CB-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/61sX+osJ57L.jpg)
![Cosmic Byte CB-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/61FMiuyrIwL.jpg)

## Available Options

This product comes in different **Pattern, Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***Y on 20 October 2021*

Being a first-time mechanical keyboard user, I did not know what to expect. Before using the CB GK-18 (Red Outemu switches version), I had also ordered another cheaper alternative available on Amazon. I would have almost settled for that keyboard but I somehow convinced myself to go for this model. It will forever be the best decision I ever made. Cosmic-Byte has put in some amazing resources for the development of its budget gaming segment and it shows. Some key highlights after one month of daily usage - 1. The lower body of the keyboard is metal and the upper plate (just below the keycaps) is texturized plastic. Overall, it seems delightfully sturdy and heavy. Does not give a cheap plastic keyboard feel. 2. The plastic feet below the keyboard support it very well and provide the desired angle required for typing. 3. The braided connection cable is flexible yet tough. It is long enough to plug in behind a desk into a PC. I personally, use it with a USB hub and a laptop. Plugged it in one month back, haven't thought about it since then. 4. Most people are confused about whether to go for blue or red switches. I went for the red switches as contrary to popular opinion, I do not feel that red switches are limited just for gaming. Yes, it took some time to get used to the small actuation force, but once I got used to typing on this keyboard, going back to a membrane keyboard is just not possible. It is true that Outemu switches are probably not the best in the market but they are budget friendly and provide a perfect emulation for first time mechanical keyboard users. 5. Premium features like ‘per-key RGB’ and ‘all key anti-ghosting’ have also been some passive gamechangers. Cosmic-Byte is also working on releasing regular updates for CB-GK software which lets you customize the lighting and set macros. With the latest update, you can even enter the RGB code of a colour and the keyboard will reflect that. In conclusion, the CB-GK 18 has been a great mechanical keyboard for a first-time user. At first, I could not see a reason to pay extra just to get some switches under my keys, but those switches do make a lot of difference in both gaming as well as typing. My use case is mostly typing and some casual gaming. This has been my daily driver and has not failed to deliver yet. A must buy if you manage to get it during a sale. However, if you cannot wait for another sale, just go for it, it is still totally worth it!

### ⭐⭐⭐⭐ Review
*by S***U on 31 December 2025*

Build quality is good. Key spacing is also good. Its a small keyboard so portability is not an issue too since you can just put it in your bag with your laptop. The wire is braided but for some reason mine got some internal damage after some time of normal usage and works only in a certain position. 2 keys were not working after 7-8 months of usage so since the keys are replaceable I interchanged some function keys with these two and works fine now. I mostly used it for gaming and coding.

### ⭐⭐⭐⭐⭐ Review
*by J***A on 22 February 2026*

Very smooth operation... Red switches aren't that clicky... If you want clicky sound just go for the blue ones... No bluetooth support... But does the work well... Good build quality... Metal frame and with sturdy base... An overall good product... I bought at around 2k...

## Frequently Bought Together

- Cosmic Byte CB-GK-18 Firefly Per-Key RGB TKL Mechanical Keyboard with Swappable Outemu Red Switch, Macros, Software (Black)
- Razer DeathAdder Essential Gaming Mouse: 6400 DPI Optical Sensor - 5 Programmable Buttons - Mechanical Switches - Rubber Side Grips - Classic Black
- Desk Mat,Large Mouse Pad 31.5x11.8 Inch XL Extended Gaming Mouse Pad Mat with Non-Slip Base Stitched Edges Mousepad for Computer,Office,Keyboard and Laptop - Fog Misty Forest

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sc/products/410611785-cosmic-byte-cb-gk-18-firefly-per-key-rgb-tkl](https://www.desertcart.sc/products/410611785-cosmic-byte-cb-gk-18-firefly-per-key-rgb-tkl)

---

*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-05-05*