Keychron K8 - Charging and Mode Switching; Charging the Keyboard; Switching Connection Modes

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Bluetooth Indicator
Bluetooth
Pairing – Fast Blinking
Paired – Light Off
Switching – Slow Blinking
Function Description
Charging
Plug the cable into a USB port and plug the other end into the keyboard port. Charging
Indicator: When battery is below 15%, a red battery blinking indicator will be triggered. A
red light will stay on while charging; Fully charged in around 3 hours, a green battery
indicator will appear.
*The Keychron keyboard is compatible with all USB ports. Please use a 5V 1A adapter or
USB 3.0 for the best performance. The Keychron K8 can be charged in Bluetooth/on/off
mode.
** This product supports up to 5V charging voltage and 1A charging current. We are not
responsible for any problems caused by improper charging.
Bluetooth / Wired Mode (Toggle Switch)
1. Switch the toggle switch to Cable option (it only works when a USB cable is
plugged in).
2. Connect our cable with your pc and keyboard.
3. Backlit will be turned on.
*Under Wired Mode, Keyboard will not enter into Battery Saver Mode.
BLUETOOTH MODE
1. Switch the keyboard to Bluetooth option.
2. Backlit will be turned on.
3. Hold "Fn+1" key for 4 seconds to activate Bluetooth pairing (the Bluetooth
indicator fast flashes for 3 minutes to detect pairing.
4. Search for the Bluetooth device "Keychron K8" on your device and connect it (the
Bluetooth indicator goes off after successful pairing).