A round hair-brush comprising: a hollow body comprising holes in its circumference and a handle connected with the hollow body on one end thereof, wherein the body comprises: at least one electric generator having a shaft at least one LED electrically connected with the at least one electric generator and at least one propeller electrically connected with the at least one electric generator shaft, the at least one propeller configured to turn upon receiving air current from a hair-dryer and transfer the rotation power to the generator, the generator configured to transform the rotation power to electric power thereby lighting up the at least one LED.
