Mechanical keyboard Keychron K1X-B3 — 80% form factor, USB + Bluetooth, QWERTY English, 87 keys, RGB, Grey

Keychron K1X-B3 is an 80% mechanical keyboard with a compact 87-key layout in QWERTY English and a grey finish. It supports both wired USB and Bluetooth connections and features RGB LED backlighting for adjustable illumination. The straight 80% form factor reduces desk footprint while retaining essential keys, offering tactile low-profile mechanical key feel suitable for typing, office tasks and light gaming.

Advantages

The keyboard combines dual connectivity (USB + Bluetooth) with an 80% layout to balance space savings and functionality. Low-profile mechanical switches provide tactile feedback and faster actuation compared with typical membrane designs. Built-in RGB backlighting improves visibility in low light and allows basic customization of lighting modes. The compact TKL-style design and grey finish make it suitable for both professional and home setups.

Suitable for

Key specifications

How to use

Connect the Keychron K1X-B3 to a computer or device using the supplied USB cable for wired use or pair via Bluetooth for wireless operation. Use the keyboard’s function keys to switch lighting modes and adjust brightness or polling settings if available. The QWERTY English keycaps are ready for immediate use; no additional software is required for basic typing and lighting changes. For Bluetooth pairing, enable pairing mode on the keyboard and select it from your device’s Bluetooth settings.

Recommendations

Place the keyboard on a stable, flat surface and set an ergonomic typing angle using any included feet or supports. For prolonged use, ensure regular breaks to reduce strain. When using Bluetooth, keep the firmware and device Bluetooth drivers up to date for best compatibility and battery performance.