bangcool Mini Fan Innovative Battery USB Power 360 Degree Adjustable Spin Mute Electric Fan for PC/Notebook/Laptop(Blue) With improved motor, this fan provides quiter and more comfortable environment. Button Switch at the back, it is convenient as well as beautiful. Made of high quality Polypropylene plastic, it light and portable, also not easy to be damaged. Adjustable angle, this fan can blow wind to different direction. With safety and shockproof design, it can be used as computer heat dissipation fan, very practical and functional.