---
product_id: 618192701
title: "CB-GK-39 Trinity 3 Modes WiFi + Bluetooth + Wired Optical Swappable Blue Switch Keyboard, Per Key RGB, 100 Million Life Switches, 3000mAh Battery, Fast Response, Software Support (Black)"
brand: "cosmic byte"
price: "€ 126.72"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/618192701-cb-gk-39-trinity-3-modes-wifi-bluetooth-wired-optical
store_origin: ES
region: Spain
---

# Zero latency optical blue switches Per key RGB with 16.8M colors 3 modes: WiFi, Bluetooth, Wired CB-GK-39 Trinity 3 Modes WiFi + Bluetooth + Wired Optical Swappable Blue Switch Keyboard, Per Key RGB, 100 Million Life Switches, 3000mAh Battery, Fast Response, Software Support (Black)

**Brand:** cosmic byte
**Price:** € 126.72
**Availability:** ✅ In Stock

## Summary

> 🌌 Elevate your desk game with the Trinity keyboard — where speed meets style and connectivity rules.

## Quick Answers

- **What is this?** CB-GK-39 Trinity 3 Modes WiFi + Bluetooth + Wired Optical Swappable Blue Switch Keyboard, Per Key RGB, 100 Million Life Switches, 3000mAh Battery, Fast Response, Software Support (Black) by cosmic byte
- **How much does it cost?** € 126.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/618192701-cb-gk-39-trinity-3-modes-wifi-bluetooth-wired-optical)

## 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

- • **Customizable RGB Brilliance:** Personalize your workspace with per-key RGB lighting offering 16.8 million vibrant colors and dynamic effects.
- • **Seamless Tri-Mode Connectivity:** Switch effortlessly between 2.4GHz wireless, 3 Bluetooth devices, and wired mode for ultimate multitasking freedom.
- • **Whisper-Quiet, Premium Typing Feel:** Enjoy a quieter, smoother typing experience thanks to advanced optical switch technology—perfect for focused work sessions.
- • **Lightning-Fast Optical Blue Switches:** Experience ultra-responsive typing with zero latency and a remarkable 100 million keystroke lifespan.
- • **Robust Software & Hassle-Free Support:** Leverage powerful Windows software for macros and lighting customization, backed by a 1-year warranty and nationwide service centers.

## Overview

The Cosmic Byte CB-GK-39 Trinity is a versatile tri-mode keyboard featuring ultra-fast optical blue switches with zero latency and a 100 million keystroke lifespan. It supports wireless 2.4GHz, Bluetooth (up to 3 devices), and wired modes, complemented by per-key RGB lighting with 16.8 million colors. Designed for professionals seeking speed, customization, and quiet operation, it includes dedicated Windows software for macros and lighting effects, powered by a 3000mAh battery and backed by a 1-year warranty with extensive service support.

## Description

Cosmic Byte CB-GK-39 Trinity 3 Modes WiFi + Bluetooth + Wired Optical Swappable Blue Switch Keyboard, Per Key RGB, 100 Million Life Switches, 3000mAh Battery, Fast Response, Software Support (Black)

## Features

- Tri Mode Keyboard- The keyboard supports 2.4Ghz Wireless Dongle, 3 Bluetooth Devices and Wired Mode which can be easily switched using the keyboard shortcuts.
- CB Optical Blue Switch- Optical switches work at the speed of light. They are extremely fast compared to traditional mechanical switches and with zero Latency.
- Quieter Operation- Optical switches are generally quieter than traditional mechanical switches and feel very good to type due to lack of mechanical parts.
- Spectra Per Key RGB- Choose from 16.8 million colors with unlimited possibilities to customize the keyboard and make it your own.
- Software Support- Trinity keyboard has Windows software support for Macros, Customization, LED effects.
- 100 Million Switch Life: Optical Switches last longer than mechanical switches boasting a long 100 million switch life.
- Warranty- The keyboard comes with 1 Year warranty from Cosmic Byte. With the large network of service centers in India and door pickup service you can rest assured for an hazzle free experience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Cosmic Byte |
| Manufacturer | Cosmic Byte, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India, Cosmic Byte, Prakash Warehousing, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India |
| Series | CB-GK-39 Trinity |
| Colour | Black |
| Item Height | 4 Centimeters |
| Item Width | 15 Centimeters |
| Product Dimensions | 8 x 15 x 4 cm; 900 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | CB-GK-39 Trinity |
| Number of USB 2.0 Ports | 1 |
| Hardware Platform | PC |
| Operating System | Windows 10 |
| Are Batteries Included | Yes |
| Lithium Battery Energy Content | 4 Watt Hours |
| Lithium Battery Weight | 10 g |
| Number of Lithium Ion Cells | 1 |
| Number of Lithium Metal Cells | 1 |
| Manufacturer | Cosmic Byte, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India |
| Item Weight | 900 g |

## Product Details

- **Brand:** Cosmic Byte
- **Compatible Devices:** Laptop, PC
- **Connectivity Technology:** Wireless
- **Keyboard Description:** Mechanical
- **Recommended Uses For Product:** Multimedia, Gaming, Business

## Images

![CB-GK-39 Trinity 3 Modes WiFi + Bluetooth + Wired Optical Swappable Blue Switch Keyboard, Per Key RGB, 100 Million Life Switches, 3000mAh Battery, Fast Response, Software Support (Black) - Image 1](https://m.media-amazon.com/images/I/610SJq+2jDL.jpg)

## Available Options

This product comes in different **Style Name** options.

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**Shop now:** [https://www.desertcart.es/products/618192701-cb-gk-39-trinity-3-modes-wifi-bluetooth-wired-optical](https://www.desertcart.es/products/618192701-cb-gk-39-trinity-3-modes-wifi-bluetooth-wired-optical)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-13*