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SPECIFICATIONS:
Number of Keys
100 keys (*Num Lock works with Windows OS only)
Switch
Gateron Red
*The "~" key supports 3pin switch only
Number of Multimedia Keys
12
Main Body Material
ABS / Aircraft-grade aluminum frame
Keycap Material
ABS
Layout
ANSI
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(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/
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℃