BTOOP Mini USB Fan Hand-held Fan/ Table Fan Multi-function Portable with Mini 2200mAh Portable Charger External Battery Power Bank, USB Rechargeable Mini Light, Fan Stand and One BTOOP Microfiber Cleaning Cloth (Green) This mini fan is the latest style, and it has 4 speed, you can change the speed as your wishes The Mini Battery Power Bank is 2200mAh, it can use about 2-3-4-7 hours according different speed after full charged(4h) This mini USB fan can be charged by our external battery power bank, and you can use the fan whereever you go, no matter in the home, walking in the park, traveling outdoors, studying in the school, working or painting Tips: The desk fan is usthe special 3.5mm gilded plug, so it will not suit for the other commen battery power bank, and the fan stand without the on/off switch, when you put the USB wire into the power, the fan will work The package content: 1* fan, 1* stand, 1* mini battery power bank, 1* USB rechargeable mini light, 1* USB wire, 1* BTOOP microfiber cleaning cloth