This article covers Keychron K2 75% Layout Hot-swappable Bluetooth Wireless.

Overview

The Keychron K2 is a compact 75% layout wireless mechanical keyboard that balances functionality with a small footprint. It comes pre-installed with Gateron G Pro Brown switches, offering a tactile feel without a loud click. A hot-swappable PCB lets you change switches without soldering, ideal for tweaking the typing experience. Wireless connectivity uses Bluetooth 5.1 with Broadcom chipset, supporting up to three paired devices. The built-in 4000mAh battery delivers up to 72 hours of continuous typing or about 7 days of mixed use (8 hours per day). Wired USB-C mode enables NKRO, while wireless mode offers 6KRO. It ships with extra keycaps for Windows layout.

Connectivity & Compatibility

Bluetooth 5.1 connects to Windows, macOS, iOS, and Android devices seamlessly. The USB-C port serves both charging and wired operation. It includes Mac-oriented multimedia keys and function row, with Windows keycaps in the box. The keyboard can switch between up to three paired Bluetooth devices using a dedicated key.

Product Info

Released in 2020 and now in Version 2, the Keychron K2 sits in the entry-to-mid-range tier. It typically costs between $50 and $70; on Japan it's priced at ¥5,382 (about $37 USD) as of late June 2026. The manufacturer provides a 1-year warranty. Accessories include a USB-C cable, keycap puller, switch puller, and additional Windows keycaps. The market position: a value-packed 75% keyboard with hot-swap, wireless, and RGB backlight (15+ lighting modes plus static white). It competes with Royal Kludge RK84 and similar boards but stands out for build quality and switch options.

Best Use Cases

Multi-device users: easily switch between phone, tablet, and laptop with Bluetooth or wired connection. Ideal for home office setups. Beginners exploring mechanical keyboards: hot-swap allows experimentation with different switches without soldering. A great starting point. Space-conscious workers: the 75% layout saves desk space while keeping function keys and arrow keys. Fits in small desks or shared workspaces. Extended typing sessions: the Gateron G Pro Brown switches provide light tactile feedback, reducing fatigue. Large battery capacity minimizes charging interruptions. Not ideal for those who need a numeric keypad or absolute silence; consider a linear silent switch version or a full-size keyboard.