ARC EN CIEL smallest Powered portable mobile fan which gives you a style as well as comfort from the hot atmosphere.Its designing allows you to carry it with you anywhere. A cool & stylish cell phone fan which works on & cro power. Key Features: Powered by all Android Smartphone & Power whose volt is above 5V. Dual Power option makes it completely portable. Energy saving design. Quite, with hurt-less blades. Very light weight makes it very easy to carry. Made of a good quality Silicon.Made of special TPU material, doesn't hurt even if you insert your finger in the moving fan Can plug it with a and use it as a portable fan as well.Compatible with smartphones launched after 2015.