Keychron K4-B1 RGB Gateron Red Wireless Mechanical Keyboard (Version 2)

Specifications

• Number of Keys: 100 keys (*Num Lock works with Windows OS only)
• Switch: Gateron Red, Blue, Brown
• *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 (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
• 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℃