Keychron K3 - LED Status Overview; Function Description

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1. Bluetooth indicator
2. Win/Android Mac/iOS (OS Toggle Switch)
3. BT OFF Cable (Mode Toggle Switch)
4. Charging Port
LED Status Overview
LED Location
Function
Status
Battery indicator
Charging
Low battery – Blinking Red
Charging – Static Red
Fully charged – Static
Green
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.