Bulfyss Arashi Plastic Portable Mini USB and Battery Fan (Random, Small) As temperatures start to rise and summer approaches, one can't help but think about the question: "how can we keep ourselves cool this summer. This portable, rechargeable, sleek compact but very effective mini fan is the right fit; you can carry it anywhere, use it anywhere as per your convenience. Though this product looks small and cute, its performance is simply surprising. It has 2 speed control and air throw. Product comes with charging cable and hanging cord; once fully charged it gives backup upto 3 hrs on normal speed and upto 2. 5 hr on high speed.