---
product_id: 410752249
title: "Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity)"
brand: "cosmic byte"
price: "2.22 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/410752249-cosmic-byte-cb-gk-21-themis-61-key-mechanical-per
store_origin: OM
region: Oman
---

# Outemu Blue switches for tactile feedback Per-key RGB with 10+ lighting modes 61-key compact layout Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity)

**Brand:** cosmic byte
**Price:** 2.22 OMR
**Availability:** ✅ In Stock

## Summary

> 🌌 Elevate your desk game with Themis — where compact meets cosmic!

## Quick Answers

- **What is this?** Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity) by cosmic byte
- **How much does it cost?** 2.22 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/410752249-cosmic-byte-cb-gk-21-themis-61-key-mechanical-per)

## 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

- • **Plug & Play Power:** Reliable wired USB-C connection ensures lag-free input on both laptops and PCs.
- • **Space-Savvy Design:** Compact 61-key layout frees up your desk for productivity and style.
- • **Precision Tactility:** Outemu Blue mechanical switches deliver crisp, satisfying clicks for every keystroke.
- • **Vibrant Customization:** Per-key RGB lighting with over 10 dynamic modes lets you personalize your setup to match your vibe.
- • **Ghosting-Free Performance:** Simultaneous key presses registered flawlessly—no missed commands during intense gaming or multitasking.

## Overview

The Cosmic Byte Themis is a sleek 61-key mechanical keyboard featuring tactile Outemu Blue switches and customizable per-key RGB lighting with over 10 modes. Designed for gamers and professionals alike, it offers a compact footprint, ghosting-free simultaneous key presses, and a fast USB-C wired connection compatible with Windows 10 PCs and laptops.

## Description

Full description not available

## Features

- 61 keys Keyboard with compact design to save desk space
- Injection Molded Double-shot Color Keycaps
- Simultaneous Operation for All Keys Without Any Key Ghosting Effects
- Software support to control Macros and customize RGB lights
- Wired USB C Connection for Laptops and PCs
- Spectra RGB lighting effects, more than 10 LED lighting mode

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Cosmic Byte |
| Manufacturer | Cosmic Byte, Cosmic Byte, Prakash Warehousing, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India. cc@thecosmicbyte.com |
| Model | Themis |
| Model Name | Themis |
| Product Dimensions | 29.1 x 10.1 x 3.9 cm; 556 g |
| Item model number | Themis |
| Operating System | Windows 10 |
| Hardware Platform | PC |
| Hardware Interface | USB |
| Compatible Devices | Laptop, PC |
| Special Features | Backlit, Ergonomic |
| Mounting Hardware | White Keypuller , USB Cable. |
| Number of items | 1 |
| Batteries Required | No |
| Keyboard Description | Gaming |
| Connector Type | USB-C |
| Movement Detection Technology | Optical |
| Hand Orientation | Ambidextrous |
| Has an attached light | Yes |
| Manufacturer | Cosmic Byte |
| Item Weight | 556 g |

## Product Details

- **Brand:** Cosmic Byte
- **Compatible Devices:** Laptop, PC
- **Connectivity Technology:** USB-C
- **Keyboard Description:** Gaming
- **Recommended Uses For Product:** Gaming

## Images

![Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity) - Image 1](https://m.media-amazon.com/images/I/71utzsmU6qL.jpg)
![Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity) - Image 2](https://m.media-amazon.com/images/I/619idtF4wjL.jpg)
![Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity) - Image 3](https://m.media-amazon.com/images/I/61vGIWKviZL.jpg)
![Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity) - Image 4](https://m.media-amazon.com/images/I/610t8-oETRL.jpg)
![Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black, USB-A Connectivity) - Image 5](https://m.media-amazon.com/images/I/61NjwX9tGVL.jpg)

## Available Options

This product comes in different **Colour, Pattern Name, Style Name** options.

## Frequently Bought Together

- Cosmic Byte CB-GK-21 Themis 61 Key Mechanical Per Key RGB Gaming Keyboard with Outemu Blue Switches and Software (Black)
- Redragon M612 Predator RGB Gaming Mouse, 8000 DPI Wired Optical Gamer Mouse with 11 Programmable Buttons & 5 Backlit Modes, Software Supports DIY Keybinds Rapid Fire Button, White

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**Shop now:** [https://www.desertcart.com.om/products/410752249-cosmic-byte-cb-gk-21-themis-61-key-mechanical-per](https://www.desertcart.com.om/products/410752249-cosmic-byte-cb-gk-21-themis-61-key-mechanical-per)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-09*