Even though summer is almost over, keeping cool is important all year around. Portable AC is ready to lend a hand with the Handy Cooler. USB powered and about the size of a soda can, this little Portable AC cooler can blow a cool breeze on you where ever you go. Portable AC coolers are an old trick for keeping cool, using air flow to help evaporate water and lower temperatures.
Mini air cooler use the same principle with freon or other substances in a closed system which manages to recycle the coolant. With the Handy Cooler you need to soak the sponge every so often to keep it from just blowing regular air. If you need to use it on the go you can run off of 3 AA batteries for about 5 hours.