LED Indicator (no. 3)
The LED indicator (3) is located on the right ear bud shows the headphone status:
Blinking Blue Bluetooth® pairing mode - the headphones are ready to be paired
Blinking White Powered on, connected to a Bluetooth device and audio paused
Red via Yellow to Green Connected to a power source and battery is charging 0% (red)
to 100% (green)
Red Powering off or disconnecting from a Bluetooth device