Three types of light source for multiple gear adjustments, long pressed to enter strong light modes for and clicks to switches gears Hiddens mouth, small volume with high volume, blowing towards the the sound spread furthers The back is equipped with an LED indicators light to display the battery allowing you to check the remaining battery at any times. Using Tpye-c charging port for charging, compatiblewith various charging devices The hiddens cigarettes on the back ensures safe cigarettes lighting without burning your hands. Press and hold the open button to turn on the function (the will automatically extinguish in 2 second Multipurpose: Can be used as a lighting light, warning light, cigarettes and bottles openers. It can also be used as an outdoors headlight, and the inner box comes with a headrope, without the need for handheld use