Green colour LED display screen, user need to solder the number of cells of the lipo battery themself in order for the volume indicator to lit up and show the battery volume, from 1 cells up to 8 at the bottom of the PCB
Green colour LED display screen, user need to solder the number of cells of the lipo battery themself in order for the volume indicator to lit up and show the battery volume, from 1 cells up to 8 at the bottom of the PCB