board 190 and power source 195 and other internal components in such an embodiment there would likely be no need for the outlets and the electronic components may be coated in a waterproof or water resistant coating further it may be preferable in this embodiment to have a power switch that would turn the sound generation mechanism 175 on off this would enable the device to be safely stored and prevent the ultrasonic waves from creating undue interactions with the surrounding environment as well as preserving battery power and life the power switch may simply be a depressible or slidable button operably coupled to the insect repellent device 100 in using the insect repellent device 100 described in fig1 10 one preferably can clip via the fastening mechanism 125 the insect repellent device 100 to an area near a facial region of the user practically speaking this allows the user to prevent insects from biting landing or otherwise annoying the user in at least their facial region this is due to the size and the weight of the insect repellent device 100 and the lack of irritation supplied by the repellent compound i e solid rather than liquid spray the insect repellent device 100.