What do the different colours on the LED of my device mean?

Solid red - Battery is charging

Blinking red - Battery is low

Solid green - Battery is fully charged

Blinking blue - Bluetooth pairing

Solid blue - niostem headset is paired to phone

Solid purple-white - Adjustment in progress

Fading purple-white - Session in progress

For further information about the niostem device read the User Manual