Benks Cell Phone Mini Fan Portable Cooling Fan [USB + Micro USB] for USB & Android Phone/Table/ Power Bank Battery Plug in, for Traveling Camping Boating Fishing (Green) Benks mobile phone fan is designed 2-in-1 (USB port + Micro-USB port), you can easily plug it into android phone (with OTG function) or power bank battery. [Space-saving and Portable] Only 15g light weight and cute size, you can take this small electronic fan everywhere in summer, like NBA game/ ball game, hiking, running, playing on the beach. [No Noisy Sound] Low power consumption, bring comfy breeze, 15500 rpm but not much noisy sound, just like breeze. [Wont Hurt Your Skin] Soft TPE environmental-friendly material of fan blades will not fade or hurt your skin. Good quality motor and gadget help give you cooler wind in hot outside. [Compatible with] Benks mini phone fan fits for battery/ power bank, Android phones with OTG function, Galaxy S7 S6 S5 note 8 Huawei Xperia Z3 A Google Pixel XL lumia Xiaomi Moto LG, Sony, PS4 Controller and Tablets.