Viniper 8.7 Inch Portable Rechargeable Fan, Small Table Fan :, Black, Blue Blade Product Features ? Long Working Hours, Battery Operated USB Powered ?viniper brand rechargeable medium size desk fan operates with 3600mah (Built in) and can operate for 4.5-14 hours after a full charge. At the same time, the bi-directional optimization of the motherboard and battery makes the Viniper usb fan have longer working hours. It can also be used via USB port from your PC/computer/USB charger or other USB devices. ?3-stage adjustable wind speed Quietness? Medium size but poweful. 3-stage easily adjustable wind speed. The speed of this portable desk battery fan can also be adjusted among low, medium, and high according to your demands. it is decent and quiet which ensure the peaceful flow of air, and enough for personal use. ?Strong Cooling 180Rotation?The Viniper rechargeable desk fan has a strong and stable wind that keeps you cool. not disturbing your rest and work. The USB desk fan has 180 degree adjustable rotation. ?Portable?Used high-quality ABS and Brushless copper motor. It has stable performance and long operating life. And It is trouble-free to put this (Size - About 8.7*9*2.2 inch, weight - About 16.4 ounces) and the exquisite battery usb fan carry it for outdoor events. Also, it can be used for indoor use. Ideal suitable for office, family, dormitory, library use and etc. ?Package Content Customer Service?You get one viniper Portable Table Fan, one USB cable, one user guide, Please write amazon email to us for help if meeting any problem. We will respond within 24-hours. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!