LG Tone Free Fit TONE-DTF7Q Owner's Manual page 22

Battery status indicator
Status
Bluetooth® search mode
Battery 20% or less
Battery 20% ~ 80%
Battery 80% or higher
When a charging error occurs
While battery is charged (charger
connected)
Battery charging completed (charger
connected)
22
Operation
The blue battery status indicator blinks.
The red battery status indicator turns on and off.
The yellow battery status indicator turns on and off.
The green battery status indicator turns on and off.
The red battery status indicator blinks.
The red battery status indicator turns on.
The green battery status indicator turns on.