Keychron

Keychron K5 V2 K5X-B3 QMK Wireless Low-Profile Mechanical Keyboard Brown Switch RGB US (Boxed)

SKU 40521 Brand Keychron EAN13 4895248888895
Keychron K5 V2 (K5X-B3) is a low-profile 100% wireless mechanical keyboard with QMK firmware, Brown tactile switches, RGB lighting, Bluetooth 5.2/USB-C connectivity, and Launcher web app for customization. Up to 160h battery.
Keyboards - Device Type Gaming Keyboard Office Keyboard
Keyboards - Special Features Low Profile Programmable Keys
Keyboards - Form Factor Full Size (100% / 96%)
Keyboards - Key Layout US
Keyboards - Switch Type Low-Profile Mechanical Mechanical - Tactile
Keyboards - Connection Bluetooth Wired (USB)
Keyboards - Backlighting Per-Key RGB

Keychron K5 QMK Version 2 (K5X-B3) is a fully wireless low-profile mechanical keyboard featuring a 100% US ANSI layout with Brown tactile switches. Upgraded with QMK open-source firmware and enhanced acoustic foams (IXPE, EPDM, latex) for quieter, more comfortable typing. Supports Bluetooth 5.2 connectivity to 3 devices and wired USB-C mode with 1000Hz polling rate.

Customize every key via the web-based Keychron Launcher app—no downloads needed. Compatible with Windows, macOS, Linux. Features per-key RGB backlighting (22+ effects), 2000mAh battery (160h backlight off, 105h RGB low), NKRO support, and low-profile Keychron 2.0 mechanical switches (45g actuation, 1.7mm pre-travel tactile). Ultra-slim design: 20.6mm front height.

  • 108 keys with 12 multimedia keys
  • North-facing RGB, shine-through ABS keycaps
  • ABS+Aluminum frame, improved stabilizers
  • 2000mAh battery, Type-C cable included
  • Keycap puller included
Number of Keys108 (100%)
LayoutUS ANSI
SwitchesKeychron Low-Profile Mechanical Brown (Tactile)
Switch TypeLow-Profile Mechanical 2.0, Tactile, 45g, 1.7mm pre-travel
Keycap MaterialShine-through ABS
Frame MaterialABS + Aluminum frame
BacklightingRGB, 22+ effects, North-facing
ConnectionBluetooth 5.2 (3 devices), USB-C wired
Polling Rate1000Hz (wired), 125Hz (wireless)
N-Key RolloverYes (wired & wireless)
Battery2000 mAh Li-Polymer, 160h (backlight off), 105h (RGB low)
FirmwareQMK open-source
CustomizationKeychron Launcher web app
Height (front)20.6 mm
Height (rear)25.2 mm
MCUARM Cortex-M3 32-bit (256KB Flash)
Multimedia Keys12