Keychron K4 QMK Wireless Mechanical Keyboard (Version 3) Banana Switch

SPECIFICATION

 
Number of Keys: 100 (96%)
Switches: Keychron Super Mechanical
Switch Face: North-facing
Stabilizers: Plate-mounted stabilizers
Number of Multimedia Keys: 12 
Frame Material: ABS/ ABS+Aluminum frame
Plate Material: Aluminum
Keycap Material: Double-shot PBT
Keycap Profile: Cherry
Layout: ANSI
Polling Rate (Wired Mode): 1000Hz
Polling Rate (BT Mode): 125Hz
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): Around 190 hours (Lab test result may vary by actual use)
BT Working Time (RGB): Around 100 hours (Lowest brightness)
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.2
Bluetooth Device Name: Keychron K4  Version 3
Compatible System: macOS/Windows/Linux

PHYSICAL UNIT


Dimension: 368.14 x 121.14 mm (14.49 x 4.77")
Weight: About 813 g / 1.79 lbs
Height without keycap (front): 22.54 mm (0.89")
Height without keycap (rear): 30.88 mm (1.22")
Height incl. keycap (front): 30.83 mm (1.21")
Height incl. keycap (rear): 40.25 mm (1.58")
Typing Angle: 5º, 8º and 11º
MCU: Low-power ARM Cortex-M3 32-bit WB32F3G71 (256KB Flash)
Operating Environment: -10 to 50℃