Are you looking for a battery operated personal fan that you can easily take wherever you go. Do you need a quiet yet powerful table fan that will not waste a lot of valuable desk or countertop space? The O2Cool Battery Operated Portable Fan is the perfect choice if you want a compact and durable personal fan made of high-quality lightweight plastic. Its non-oscillating and offers 2 speeds for the perfect amount of directional air flow. Simple and efficient its extremely easy for anyone to operate.The O2Cool 5 Inch Portable Fan operates with just 8 D batteries (not included) and can last up to 40 hours on low speed depending on the quality of the batteries you use. Its compact folding design makes it ideal for travel and easy to store. Take it anywhere: camping, your office, a baseball outing, a concert, a summer picnic the only limit is your imagination. Why not keep an extra one in the trunk of your car?Nicknamed the hurricane fan, this O2-Cool product is one of our best selling fans, and is our best selling 10 inch fan. Not only does it provide consumers with up to 40 hours of portable cooling, but its extra features will make you look twice.