--- product_id: 389847093 title: "K3 Ultra-Slim 75% ISO-UK-Layout Wireless Bluetooth/Wired USB Mechanical Keyboard,84 Keys Hot Swappable Low-Profile Optical Brown Switch White LED Backlit for Mac Windows-Version 2" brand: "keychron" price: "₨5392" currency: SCR in_stock: true reviews_count: 8 category: "Keychron" url: https://www.desertcart.sc/products/389847093-k3-ultra-slim-75-iso-uk-layout-wireless-bluetooth-wired store_origin: SC region: Seychelles --- # Low-profile optical switches Bluetooth 5.1 multi-device 84 hot-swappable keys K3 Ultra-Slim 75% ISO-UK-Layout Wireless Bluetooth/Wired USB Mechanical Keyboard,84 Keys Hot Swappable Low-Profile Optical Brown Switch White LED Backlit for Mac Windows-Version 2 **Brand:** keychron **Price:** ₨5392 **Availability:** ✅ In Stock ## Summary > ⌨️ Elevate your desk game with ultra-slim, customizable mechanical precision! ## Quick Answers - **What is this?** K3 Ultra-Slim 75% ISO-UK-Layout Wireless Bluetooth/Wired USB Mechanical Keyboard,84 Keys Hot Swappable Low-Profile Optical Brown Switch White LED Backlit for Mac Windows-Version 2 by keychron - **How much does it cost?** ₨5392 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/389847093-k3-ultra-slim-75-iso-uk-layout-wireless-bluetooth-wired) ## Best For - keychron enthusiasts ## Why This Product - Trusted keychron brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Mac & Windows Ready:** Dual OS keycaps included with dedicated Mac multimedia keys—perfect for hybrid setups. - • **Durable & Lightweight:** Reinforced aluminum frame with 70M keystroke lifespan—built to keep up with your hustle. - • **Ultra-Slim Powerhouse:** Sleek 75% layout with just 2.2cm thickness—carry productivity anywhere. - • **Seamless Multi-Device Flow:** Connect up to 3 devices via Bluetooth 5.1 and switch instantly—no more workflow interruptions. - • **Customizable Typing Experience:** Hot-swap low-profile optical switches without soldering—tailor your tactile feel on the fly. ## Overview The Keychron K3 Ultra-Slim is a compact 75% mechanical keyboard featuring 84 hot-swappable low-profile optical switches, Bluetooth 5.1 wireless connectivity for up to 3 devices, and wired USB-C mode. Designed with a reinforced aluminum body and Mac/Windows compatibility, it offers a premium tactile typing experience with customizable keycaps and a slim profile ideal for professionals on the move. ## Description Compact 75% layout keyboard with 84 hot-swappable low-profile optical switches, Bluetooth 5.1 connectivity, and wired USB-C for seamless multi-device use. Review: Lovely keyboard - Loving this keyboard for programming. The optical blue switches are clicky and responsive - great for typing. Solid build quality, very good Bluetooth multi-device support, and wired mode if needed. The lighting looks great and can be customised or turned off. Comes with keycaps for both Mac and Windows. Very pleased overall. Review: Nice keyboard but returned - I bought this keyboard after many months of research and trialing different mechanicals. I really wanted a mechanical keyboard but found they were a little too clunky and big, so opted for this Keychron low profile option for the best of both worlds. Having previously used the Logitech MX Master, it was a tough act to follow for this Keychron K3. Overall I enjoyed the typing experience and the aesthetics of the board are awesome, but I had some issues when connecting to my PC via Bluetooth (there is a good 5 second delay before it recognises the keyboard when it goes to sleep, which did get annoying), and some of the keys started to repeat type and get “stuck” after a couple of weeks use, meaning I wasn’t happy with the experience compared to my Logitech board and so ended up returning. You can swap the keys but I found it difficult to find low profile keycaps that would fit the board, and the switches felt much more flimsy compared to the standard MX Cherry style switches on a full size keyboard. I liked that it comes with the option to have Mac or Windows buttons, I use both so this is a good edition, and you can change the colours on the keycaps too for a few of the keys between the grey and orange options. Overall this keyboard had a good typing experience but with the issues I had, I wouldn’t recommend a purchase given the price. ## Features - Keychron K3, a compact 75% layout 84 keys hot-swappable ultra-slim wireless mechanical keyboard (Exclusive color scheme) built for peak productivity, a great tactile typing experience. Personalize per-key typing experience without soldering, and let you personalize per-key typing experience without soldering. - Be ready to multitask without missing a beat by connecting the K3 with up to 3 devices via the stable Bluetooth 5.1 chipset and switch between your laptop, PC, tablet and phone seamlessly. It also has wired mode with USB Type-C connection. - With a unique Mac layout, the K3 has all the necessary Mac multimedia keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included. - The redesigned low-profile Keychron optical switch is 40% slimmer than conventional switches with a shorter travel distance that triggers an input faster than ever. With the reinforced aluminum body (plastic bottom frame) make the K3 one of the thinnest and lightweight mechanical keyboards on the market. - You can easily hot-swap every low-profile optical switch without soldering to customize your typing experience on the K3 (*This keyboard is NOT compatible with any conventional MX style mechanical switch). The pre-installed low-profile optical red switch provides unrivaled tactile responsiveness with up to 70 million keystroke lifespan, and it supports NKRO on the wired mode or 6KRO on the wireless mode. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09K3Z51KP | | Antenna Location | Student | | Best Sellers Rank | 47,138 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 724 in Keyboards (Computers & Accessories) | | Box Contents | Extra keycaps | | Brand Name | Keychron | | Button Quantity | 84 | | Colour | Brown Swich | | Compatible Devices | Smartphone | | Connectivity Technology | Bluetooth, USB | | Country of Origin | China | | Customer Reviews | 4.1 4.1 out of 5 stars (106) | | Enclosure Material | Aluminium | | Hand Orientation | Ambidextrous | | Item Dimensions L x W x H | 30.6L x 11.6W x 2.2H centimetres | | Keyboard Backlighting Color Support | Single Color | | Keyboard Description | Mechanical | | Keyboard Layout | QWERTY | | Manufacturer | Keychron | | Model Name | Keychron K3 UltraSlim | | Model Number | K3 | | Number of Batteries | 1 | | Number of Keys | 84 | | Power Source | Powered by electric cable | | Product Features | Lightweight,Wireless,Travel | | Style Name | Modern | | Switch Type | Mechanical with Optical Switch | | Theme | Mechanical Keyboards, Wireless Keyboards | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Keychron - **Colour:** Brown Swich - **Compatible devices:** Smartphone - **Connectivity technology:** Bluetooth, USB - **Keyboard backlighting colour support:** Single Color - **Keyboard description:** Mechanical - **Product dimensions:** 30.6L x 11.6W x 2.2H centimetres - **Recommended uses for product:** Student - **Special feature:** Lightweight,Wireless,Travel - **Style:** Modern ## Images ![K3 Ultra-Slim 75% ISO-UK-Layout Wireless Bluetooth/Wired USB Mechanical Keyboard,84 Keys Hot Swappable Low-Profile Optical Brown Switch White LED Backlit for Mac Windows-Version 2 - Image 1](https://m.media-amazon.com/images/I/61vvc2igibL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: why is there no alt key added on default?** A: The K3 comes in a Mac layout with Command and Option keys, included are addition Windows, Alt and other keycaps to convert it to a PC layout. **Q: U can switch between device like android and pc?** A: Yes, you can connect via Bluetooth to your PC on button 1 and your phone on button 2, then just press Fn+1 to type on your PC and Fn+2 to type on your phone. **Q: Can it connect to Xbox series s/x** A: I have tried cabled connection and it was working but never tried Bluetooth connection. **Q: Can i convert from the qwerty layout to the colemak or dvorak layout with this keyboard?** A: You replace keycaps for your desired layout but you can not program the keyboard. But You can change this from OS itself. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Lovely keyboard *by L***I on 15 July 2025* Loving this keyboard for programming. The optical blue switches are clicky and responsive - great for typing. Solid build quality, very good Bluetooth multi-device support, and wired mode if needed. The lighting looks great and can be customised or turned off. Comes with keycaps for both Mac and Windows. Very pleased overall. ### ⭐⭐⭐⭐ Nice keyboard but returned *by N***N on 27 September 2023* I bought this keyboard after many months of research and trialing different mechanicals. I really wanted a mechanical keyboard but found they were a little too clunky and big, so opted for this Keychron low profile option for the best of both worlds. Having previously used the Logitech MX Master, it was a tough act to follow for this Keychron K3. Overall I enjoyed the typing experience and the aesthetics of the board are awesome, but I had some issues when connecting to my PC via Bluetooth (there is a good 5 second delay before it recognises the keyboard when it goes to sleep, which did get annoying), and some of the keys started to repeat type and get “stuck” after a couple of weeks use, meaning I wasn’t happy with the experience compared to my Logitech board and so ended up returning. You can swap the keys but I found it difficult to find low profile keycaps that would fit the board, and the switches felt much more flimsy compared to the standard MX Cherry style switches on a full size keyboard. I liked that it comes with the option to have Mac or Windows buttons, I use both so this is a good edition, and you can change the colours on the keycaps too for a few of the keys between the grey and orange options. Overall this keyboard had a good typing experience but with the issues I had, I wouldn’t recommend a purchase given the price. ### ⭐⭐⭐⭐⭐ Great keyboard for a great price *by I***A on 5 May 2022* This is my first mechanical keyboard and honestly it's great. It's lightweight, looks good and does everything that it says it does. I got the brown switches and they're not too loud whilst also still providing that nice clicky sound and feeling. The backlight works well and has many different modes to choose from. The title says it's the UK layout and whilst the pictures don't show it, it is infact the UK layout. The box comes with extra key caps so you can change it to match your system and typing layout (it comes in american MAC key layout by default but has the windows keycaps as well as other extra keys and a guide telling you where to put what). It also comes with a dust protector which is very useful for me as my room gets dusty. Overall solid product and would recommend. 100% worth the money. ## Frequently Bought Together - Keychron K3 Ultra-Slim 75% ISO-UK-Layout Wireless Bluetooth/Wired USB Mechanical Keyboard,84 Keys Hot Swappable Low-Profile Optical Brown Switch White LED Backlit for Mac Windows-Version 2 - Logitech MX Master 3S - Wireless Performance Mouse with Ultra-Fast Scrolling, Ergonomic, 8K DPI, Glass Tracking, Silent Clicks, USB-C, Bluetooth, Windows, Linux, Chrome - Dark Gray - DawnTrees Desk Mat | Felt Desk Pad Protector | Office Felt Desk Mat | Keyboard Pad | Extra Large Mouse Pad… (Dark Grey, 90x40cm) --- ## 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/389847093-k3-ultra-slim-75-iso-uk-layout-wireless-bluetooth-wired](https://www.desertcart.sc/products/389847093-k3-ultra-slim-75-iso-uk-layout-wireless-bluetooth-wired) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-05-09*