SPECIFICATION Number of Keys: 68 keys Version: Gateron Switches: Gateron mechanical Number of Multimedia Keys: 12 Frame Material: ABS / ABS+Aluminum bezels Keycap Material: ABS Keycap Profile: OEM 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 (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 K6 Compatible System: macOS/Windows/ PHYSICAL UNIT Dimension (Plastic frame version): 313 x 104 x 37mm Weight: About 530g / 18.6oz Dimension (Aluminum bezels version): 317 x 107 x 37mm Weight: About 664g / 23.4oz 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