Keychron K4 Pro QMK Fully Assembled Hot-Swap RGB Backlight Keyboard - RGB Backlight B, Red Switch

Ready Stock !!! Keychron K4 Pro QMK/VIA Fully Assembled Hot-Swappable RGB Backlight Wireless Mechanical Keyboard

Plastic Frame !!!

Wireless and Wired
Program with QMK & VIA
compatible with macOS, Windows, and Linux
Hot-swappable
Screw-In PCB Stabilizers
Pre-lubed Keychron K Pro Switch (fully assembly version)
OSA Profile Double-shot PBT Keycaps
South-facing RGB Lights
Ergonomic Support, Three levels of adjustable typing angle (3º, 7º & 10º) and curved OSA-profile keycaps


SPECIFICATION


Number of Keys: 100 (96%)
Switches (Not including Barebone Version): Keychron K Pro Mechanical
Switch Face: South-facing
Stabilizers: PCB-mounted screw-in stabilizers
Number of Multimedia Keys: 12
Frame Material: ABS
Plate Material: Steel
Keycap Material (Not including Barebone Version): Double-shot PBT
Keycap Profile: OSA (OEM profile with spherical-angle)
Layout: ANSI
Polling Rate (Wired Mode): 1000Hz
Polling Rate (Wireless Mode): 90Hz
N-Key Rollover (NKRO): Yes for both wireless and wired modes

CONNECTIVITY AND POWER


Backlit: 22 types of RGB backlight options plus endless possibilities
Battery: 4000 mAh rechargeable li-polymer battery
BT Working Time (Backlit off): Up to 300 hours (Lab test result may vary by actual use)
BT Working Time (RGB): Up to 100 hours (Lowest brightness)
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K4 Pro
Compatible System: macOS/Windows/Linux

PHYSICAL UNIT


Dimension: 390.6 x 139.2 mm (15.38 x 5.48")
Weight: About 1280 g / 2.82 lbs
Height without keycap (front): 24 mm (0.94")
Height without keycap (rear): 31 mm (1.22")
Height incl. keycap (front): 33 mm (1.30")
Height incl. keycap (rear): 40 mm (1.57")
Typing Angle: 3º, 7º and 10º
MCU: Ultra-low-power ARM Cortex-M4 32-bit STM32L432 (128KB Flash)