--- product_id: 618192701 title: "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)" brand: "cosmic byte" price: "¥16913" currency: JPY in_stock: true category: "Cosmic Byte" url: https://www.desertcart.jp/products/618192701-cosmic-byte-cb-gk-39-trinity-3-modes-wifi-bluetooth store_origin: JP region: Japan --- # 100M Switch Lifespan Per-Key RGB Lighting 3 Modes Connectivity 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) **Brand:** cosmic byte **Price:** ¥16913 **Availability:** ✅ In Stock ## Summary > ✨ Elevate your desk game with the Trinity keyboard — where speed meets style! 🔥 ## Quick Answers - **What is this?** 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) by cosmic byte - **How much does it cost?** ¥16913 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/618192701-cosmic-byte-cb-gk-39-trinity-3-modes-wifi-bluetooth) ## 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 Per-Key RGB:** Express your unique style with 16.8 million colors and dynamic lighting effects, all programmable via intuitive Windows software. - • **Quiet Yet Tactile Typing:** Enjoy the satisfying click without the noise—optical switches deliver smooth, quieter keystrokes perfect for shared workspaces or late-night creativity. - • **Seamless Tri-Mode Switching:** Effortlessly toggle between 2.4GHz wireless, Bluetooth (up to 3 devices), and wired modes for ultimate multitasking freedom. - • **Long-Lasting 3000mAh Battery:** Stay unplugged longer with a powerhouse battery that keeps your workflow uninterrupted and your desk clutter-free. - • **Lightning-Fast Optical Blue Switches:** Experience near-zero latency with clicky, ultra-responsive switches rated for 100 million keystrokes—built to outlast your busiest workdays. ## Overview The Cosmic Byte CB-GK-39 Trinity is a versatile 87-key mechanical keyboard featuring tri-mode connectivity (2.4GHz wireless, Bluetooth for 3 devices, and wired), ultra-durable optical blue switches rated for 100 million keystrokes, and fully customizable per-key RGB lighting. Powered by a robust 3000mAh battery and supported by dedicated Windows software for macros and lighting effects, it offers a premium typing experience with quiet, tactile feedback and hassle-free switching modes—all backed by a 1-year warranty and extensive service network in India. ## Description Buy 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) online at low price in India on desertcart.in. Check out 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) reviews, ratings, features, specifications and browse more Cosmic Byte products online at best prices on desertcart.in. ## 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 | |---------------|-------| | ASIN | B0CXSYBKW3 | | Antenna Location | Business, Gaming, Multimedia | | Best Sellers Rank | #29,419 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #223 in Gaming Keyboards | | Brand Name | Cosmic Byte | | Button Quantity | 87 | | Colour | Black | | Compatible Devices | Laptop, PC | | Compatible Operating System Family | Windows | | Connectivity Technology | Wireless | | Country of Origin | China | | Customer Reviews | 4.0 4.0 out of 5 stars (69) | | Hand Orientation | Ambidextrous | | Importer Contact Information | Cosmic Byte, Prakash Warehousing, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India | | Item Dimensions L x W x H | 8L x 15W x 4H Centimeters | | Item Type Name | Keyboard | | Item Weight Unit of Measure | 900 Grams | | Keyboard Description | Optical | | Keyboard Layout | QWERTY | | Manufacturer | Cosmic Byte, Prakash Warehousing, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India, Cosmic Byte, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India | | Manufacturer Contact Information | Cosmic Byte, Prakash Warehousing, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India | | Manufacturer Part Number | CB-GK-39 Trinity | | Mechanical Keyboard Switch Model | CB Optical Blue Switch | | Model Name | CB-GK-39 Trinity | | Model Number | CB-GK-39 Trinity | | Number of Items | 1 | | Number of Keys | 87 | | Number of Packs | 1 | | Packer Contact Information | Cosmic Byte, Prakash Warehousing, S. No.163, Hissa No 1-2-3-4-5A-5B/2/1, Phursungi, Pune 412308, Maharashtra, India | | Product Features | Backlit, Ergonomic, Hot-Swappable, Rechargeable | | Style Name | Wireless 3 Modes | | Switch Type | Clicky | | Total USB 2.0 Ports | 1 | | Unit Count | 1 Count | | Warranty Description | 1 Year Warranty against Manufacturing Defects | ## Product Details - **Brand:** Cosmic Byte - **Compatible Devices:** Laptop, PC - **Connectivity Technology:** Wireless - **Keyboard Description:** Optical - **Recommended Uses For Product:** Business, Gaming, Multimedia ## Images ![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) - Image 1](https://m.media-amazon.com/images/I/610SJq+2jDL.jpg) ## Available Options This product comes in different **Style** options. --- ## 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.jp/products/618192701-cosmic-byte-cb-gk-39-trinity-3-modes-wifi-bluetooth](https://www.desertcart.jp/products/618192701-cosmic-byte-cb-gk-39-trinity-3-modes-wifi-bluetooth) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-08*