Create a clean personal space at your home or office devoid of harmful dust particles or bad odors with the Satechi USB Portable Air Purifier and Fan. The size being compact and extremely portable makes it an easy-to-use travel accessory you can take with you anywhere and get some fresh air whenever you think you could do with some. You simply need to plug it into a USB port which will turn it on instantly. The front and the back can be pulled to expand the set up and turn it into a fan as and when required. So when you feel really congested in stuffy environments, you know what you should carry next.