K4 version 2 has full-size functionality in a compact design with 100 necessary keys. The hot-swappable option with preinstalled Gateron Mechanical switches offers the freedom to customize per-key typing experience without soldering.

WIRELESS AND WIRED MODES
Connects with up to 3 devices via Bluetooth and switch among them easily. With high reliable and broad compatibility Broadcom Bluetooth 5.1 chipset, the K4 version 2 is best to fit home, office and light gaming use while connecting with your smartphone, laptop and iPad. It also has wired mode with USB Type-C connection.

COMPATIBLE WITH ALL DEVICES
Compatible for both macOS and Windows. Keychron is one of only a few in the market that comes with a Mac multimedia keys layout for Mac enthusiasts.

Inclined bottom frame makes the K4 version 2 more comfortable to crank out emails or write a novel.

WITH NUMBER PAD
Comes with a 100 keys (96%) layout included number pad and relocated Del key that offers convenient access to all the essential keys* for Mac and Windows in a small footprint.
*Num Lock works with Windows OS only

HOT-SWAPPABLE
Hot-swappable means to customize your typing experience without soldering, just pop them in and it’s done..

LARGEST BATTERY
The K4 can last up to 240 hours typing (backlight off) with a 4000 mAh big battery.

15 TYPES OF RGB
K4 is engineered with more than 15 types of RGB backlight options that you can use to play with. A keyboard that is always in sync with your mood to keep you happy and productive. Easily cycle to different backlight schemes using the light bulb key.

SPECIFICATIONS
Number of Keys: 100 keys (*Num Lock works with Windows OS only)
Switch: Gateron G Pro Red, Blue, Brown Hot-swappable
*The "~" key supports 3pin switch only
Number of Multimedia Keys: 12
Main Body Material: ABS / Aircraft-grade aluminum frame
Keycap Material: ABS
Layout: ANSI
Polling Rate (Wired Mode): 1000Hz
Polling Rate (Wireless Mode): 90Hz

CONNECTIVITY AND POWER
Backlit Types: 18
Backlit: Adjustable 4-level RGB backlit
System: Windows/Android/Mac/iOS
Battery: 4000mAh Rechargeable li-polymer battery
BT Working Time (Backlit off): Up to 240 hours (Lab test result may vary by actual use)
BT Working Time (Single LED): Up to 68 hours (Lab test result may vary by actual use)
BT Working Time(RGB): Up to 72 hours (Lab test result may vary by actual use)
Charging Time: Around 3 hours
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K4
Compatible System: macOS/Windows/

PHYSICAL UNIT
Dimension (Plastic frame version): 371 x 124 x 38mm
Weight: About 770g / 1.69 lbs
Dimension (Aluminum frame version): 376 x 129 x 38mm
Weight: About 933g / 2.05 lbs
Height incl. keycap (front) 32mm
Height incl. keycap (rear) 41mm
Operating Environment: -10 to 50℃

PACKAGE CONTENTS
1 x Keyboard
1 x USB-A to USB Type-C Cable
1 x Keycap Puller
1 x User Manual