Mini USB Fan GEEDIAR Portable Rechargeable Table Desk Personal Fan for Laptop Room Office Outdoor Travel Blue Stylish and convenient design: When fully charged, you can put on your office desktop, even for a walk when you can also take it. Full power: one windshield is available 3 hours, two windshield 2.5 hours, third gear wind 2 hours (approximately) MulFunction: Indoor use & outdoor use when need instant cooling enjoyment. Environmentally friendly: ABS material and low power consumption. Colorful: Romantic light blue and pink color add cool to your life this summer.