Keychron K2 Wireless Mechanical Keyboard (Version 2) K2-A3
Overview :
The all-new K2 keyboard has arrived! It supports QMK firmware and key-remapping Launcher web app, with enhanced typing sound, foam mod, and upgraded Bluetooth.
THE BEST COMBINATION OF FULL-SIZED AND TENKEYLESS KEYBOARD
K2 is a super tactile wireless or wired keyboard giving you all the keys and function you need while keeping it compact, with the largest battery seen in a mechanical keyboard.
Specification :
| Number of Keys | 84 keys |
| Switches | Keychron Super blue/red/brown switches |
| Number of Multimedia Keys | 12 |
| Main Body Material (A, B Series) | ABS |
| Main Body Material (C Series) | Aluminum bezels and ABS bottom 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 K2 |
| Compatible System | macOS/Windows/ |
| PHYSICAL UNIT | |
| Dimension (Plastic frame version) | 313 x 123mm |
| Weight | About 663g / 23.4oz |
| Dimension (Aluminum frame version) | 317 x 129mm |
| Weight | About 794g / 28oz |
| Height with keycap (front) | 30mm |
| Height with keycap (rear) | 40mm |
| Operating Environment | -10 to 50℃ |
| PACKAGE CONTENT | 1 x Keyboard |
| 1 x USB-A to USB Type-C Cable | |
| 1 x Keycap Puller | |
| 1 x User Manual |
