THRUNITE BSS V4 Flashlight Power Indicator
Power indicator: Blue (>21%), Red (11-20%), Flashing Red (<10%).
During charging, the indicator is RED.
After being fully charged, the indicator will be BLUE.
When indicator flashes purple, it means abnormal charging.
Only firefly and low modes are available while charging.
NOTE: Please screw down the light head and tail cap tightly before use.