• Turn off the keyboard. Press and hold ESC + 3, then turn on the keyboard while keeping the buttons pressed. The channel indicator will flash quickly and then stay on. At this point, release the buttons.
• Next, select the desired connection channel and connect the keyboard to your device. If the Bluetooth name cannot be found, please turn the Bluetooth function on your PC/device off and on again before searching.

Notes:

• If the keyboard is not connected correctly, please turn off the power switch, restart the Bluetooth function on your device, and try reconnecting. Alternatively, delete any duplicate device names from the Bluetooth list and connect again.
• To switch between devices that have already been successfully connected, press the channel button. Wait a few seconds and the keyboard will be ready for use.
• The keyboard has a memory function: once it is correctly connected on a given channel, after turning the keyboard off and back on, it will automatically switch to that channel, and the corresponding channel indicator will light up.
• Operating system compatibility: This keyboard is only compatible with macOS. It is not compatible with Linux, Windows, or Windows installed on Mac hardware. Using the keyboard on unsupported systems may result in multimedia keys and function keys not working properly, or other functions being unavailable or unstable.
• System and hardware requirements: Devices manufactured before 2013 or running macOS versions earlier than 10.12 are not supported.

• When the battery is low, the indicator light will turn red and flash until the keyboard powers off.
• To charge the device, insert the Type-C connector into the keyboard and the USB-A connector into your computer. During charging, the red indicator light will remain on.
• A full charge usually takes 3–4 hours. Once fully charged, the indicator light will turn green.

Note: If the keyboard’s battery is too low, issues such as delays or lagging may occur. Please charge the keyboard in time to ensure it has enough power for normal use.

• If the keyboard is not used for more than 60 minutes, it will automatically enter sleep mode and the indicator light will turn off.
• To use the keyboard again, press any key. The keyboard will wake up within 3 seconds, and the indicator light will turn on again.

• Press Fn + Shift + + to adjust the backlight brightness:
• First press: Backlight on, brightness at 30%
• Second press: Brightness at 60%
• Third press: Brightness at 100%
• Fourth press: Backlight off

Additional notes:

• If the keyboard is not used for 2 minutes, the backlight will turn off automatically. Press any key to reactivate the backlight.
• If the keyboard is not used for 60 minutes, it will enter sleep mode and the backlight will also turn off. After waking the keyboard by pressing any key, the backlight needs to be turned on manually again.