You might often require those occasional bursts of fresh air while working during summers. Under such situations, what will truly prove to be a useful device is this Mini USB Flexible Fan. You can use it with your PC, laptop, powerbank or any other USB powered device which requires a power of 1.20 W only. It's a fun accessory for the summers that will surely come handy when you're in a congested area and need some air in short bursts....